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LIAS on the Web E-Resource Statistics - All Libraries
The following statistics show electronic resource usage, measured in number of sessions per resource, during the specified time period. Every time a user connects to a resource, one session is recorded. Data are included for all resources available through the LIAS E-Resource page. Scroll through the entire list, or use the alphabetic index to jump to a specific part of the list: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| E-Resource Usage Statistics : Jan - Dec 2006 | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CAT - PSU Libraries Web Catalog | 122,340 | 127,171 | 113,793 | 107,752 | 66,723 | 62,413 | 60,286 | 60,263 | 122,453 | 136,934 | 116,143 | 80,507 | 1,176,778 |
| ProQuest Direct (newspapers, magazines, business) | 21,338 | 33,231 | 30,886 | 36,097 | 10,957 | 9,773 | 11,417 | 5,514 | 22,331 | 39,785 | 38,980 | 23,398 | 283,707 |
| PsycINFO | 8,333 | 11,839 | 10,509 | 12,855 | 5,988 | 5,843 | 4,113 | 3,231 | 9,252 | 14,739 | 11,985 | 7,621 | 106,308 |
| Electronic Reserves | 14,879 | 13,041 | 9,047 | 8,473 | 3,756 | 2,601 | 2,302 | 1,836 | 16,144 | 15,657 | 9,519 | 5,719 | 102,974 |
| Web of Science | 8,711 | 7,874 | 8,722 | 8,937 | 7,503 | 6,584 | 5,473 | 5,147 | 8,674 | 9,142 | 7,934 | 4,148 | 88,849 |
| AAPG Bulletin * | 22 | 23 | 34 | 63 | 50 | 43 | 23 | 9 | 13 | 12 | 22 | 18 | 332 |
| Abacus * # | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| ABI/INFORM (business) | 3,331 | 3,717 | 3,780 | 3,764 | 2,572 | 2,104 | 1,662 | 1,378 | 3,189 | 3,960 | 3,136 | 2,114 | 34,707 |
| ABSEES Online: American Bibliography of Slavic and East European Studies | 111 | 162 | 282 | 381 | 409 | 203 | 153 | 125 | 101 | 100 | 75 | 81 | 2,183 |
| Abstract and Applied Analysis * | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Academic Ideal, a division of Elsevier (full text journal articles) | 834 | 845 | 1,013 | 1,142 | 944 | 554 | 436 | 294 | 431 | 621 | 519 | 388 | 8,021 |
| Academic Press' Encyclopedia of Spectroscopy and Spectrometry * # | 3 | 6 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 |
| Access PA | 115 | 163 | 136 | 185 | 135 | 128 | 115 | 114 | 112 | 141 | 118 | 90 | 1,552 |
| Access Science (McGraw Hill Encyclopedia of Science and Technology) | 425 | 515 | 666 | 903 | 673 | 458 | 340 | 234 | 420 | 576 | 456 | 294 | 5,960 |
| Accessible Archives (18th- and 19th-century news) | 243 | 343 | 452 | 710 | 637 | 377 | 277 | 209 | 233 | 254 | 225 | 190 | 4,150 |
| AccessUN | 155 | 229 | 339 | 468 | 462 | 234 | 185 | 132 | 143 | 136 | 118 | 124 | 2,725 |
| ACM digital library (computer science) | 994 | 1,144 | 1,143 | 1,351 | 1,016 | 705 | 636 | 413 | 880 | 1,164 | 1,075 | 624 | 11,145 |
| ACS E-Journals (chemistry) | 1,028 | 1,200 | 1,478 | 1,364 | 1,258 | 949 | 842 | 726 | 713 | 898 | 776 | 599 | 11,831 |
| Acta Arithmetica * | 12 | 11 | 15 | 21 | 23 | 20 | 13 | 7 | 10 | 7 | 5 | 5 | 149 |
| Advances in Difference Equations * | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Advertising Law Guide (CCH) | 137 | 191 | 299 | 434 | 438 | 204 | 161 | 98 | 179 | 125 | 97 | 110 | 2,473 |
| Aerospace Database | 382 | 474 | 666 | 827 | 803 | 495 | 379 | 235 | 377 | 352 | 306 | 220 | 5,516 |
| African American Biographical Database, 1790-1950 | 245 | 355 | 514 | 729 | 692 | 337 | 264 | 194 | 208 | 214 | 166 | 172 | 4,090 |
| African American Poetry, 1760-1900 | 111 | 197 | 321 | 408 | 435 | 223 | 194 | 140 | 113 | 98 | 83 | 110 | 2,433 |
| African Publishing Companion * | 0 | 0 | 0 | 0 | 0 | 1 | 32 | 22 | 4 | 13 | 14 | 20 | 106 |
| African Studies Companion Online # | 148 | 267 | 412 | 560 | 494 | 153 | 0 | 0 | 0 | 0 | 0 | 0 | 2,034 |
| AGRICOLA (agriculture and related sciences) | 711 | 619 | 553 | 720 | 603 | 621 | 363 | 243 | 411 | 542 | 429 | 243 | 6,058 |
| Agropedia (agriculture encyclopedias) | 164 | 179 | 335 | 424 | 414 | 208 | 181 | 113 | 106 | 138 | 90 | 81 | 2,433 |
| AIAA Meeting Papers * | 0 | 0 | 0 | 6 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 8 |
| AIAA Online Publications (aerospace engineering) | 275 | 278 | 392 | 446 | 455 | 281 | 211 | 175 | 139 | 150 | 237 | 146 | 3,185 |
| AIAA Student Journal Online * | 1 | 5 | 4 | 1 | 1 | 1 | 0 | 1 | 3 | 2 | 1 | 5 | 25 |
| AIDSearch | 88 | 157 | 311 | 410 | 439 | 187 | 158 | 112 | 89 | 106 | 90 | 89 | 2,236 |
| AIP and APS E-Journals (physics) | 713 | 809 | 1,136 | 1,102 | 1,004 | 589 | 534 | 416 | 337 | 410 | 375 | 377 | 7,802 |
| Air University Library's Index to Military Periodicals | 93 | 130 | 244 | 306 | 352 | 145 | 120 | 81 | 66 | 61 | 42 | 41 | 1,681 |
| Algebraic and Geometric Topology * | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 |
| All resource selected * | 509 | 679 | 639 | 656 | 273 | 325 | 249 | 224 | 585 | 871 | 805 | 475 | 6,290 |
| Almanac of American Politics * | 15 | 24 | 26 | 37 | 21 | 18 | 11 | 12 | 21 | 34 | 22 | 35 | 276 |
| Aluminum Industry Abstracts | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 46 | 28 | 40 | 145 |
| America's Historical Newspapers, 1690-1922 [Digital Archive] | 0 | 0 | 0 | 0 | 0 | 143 | 262 | 222 | 450 | 512 | 289 | 311 | 2,189 |
| America's News Magazines (Newsbank) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 120 | 424 | 667 | 585 | 339 | 2,135 |
| America: History and Life | 758 | 1,142 | 1,116 | 1,550 | 1,125 | 630 | 487 | 335 | 696 | 1,008 | 938 | 610 | 10,395 |
| American Broadsides and Ephemera | 0 | 0 | 0 | 0 | 332 | 160 | 129 | 95 | 113 | 84 | 40 | 62 | 1,015 |
| American Drama (1714-1915) | 169 | 214 | 308 | 365 | 376 | 157 | 138 | 111 | 71 | 82 | 60 | 61 | 2,112 |
| American Film Institute Catalog | 156 | 218 | 363 | 498 | 505 | 244 | 182 | 117 | 113 | 162 | 93 | 105 | 2,756 |
| American Geophysical Union e-journals | 145 | 172 | 293 | 349 | 382 | 156 | 136 | 108 | 85 | 93 | 75 | 107 | 2,101 |
| American Journal of Clinical Pathology * | 5 | 0 | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 16 |
| American Journal of Economics and Sociology * # | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| American Mathematical Society (full text journal articles) | 104 | 154 | 271 | 365 | 398 | 195 | 151 | 98 | 81 | 86 | 57 | 71 | 2,031 |
| American Medical Association Publications * | 30 | 44 | 46 | 45 | 21 | 12 | 2 | 8 | 7 | 18 | 15 | 18 | 266 |
| American Mineralogist * | 0 | 24 | 33 | 59 | 43 | 43 | 24 | 9 | 10 | 14 | 10 | 14 | 283 |
| American National Biography Online | 356 | 310 | 486 | 665 | 603 | 308 | 251 | 163 | 260 | 247 | 186 | 215 | 4,050 |
| American Periodicals Series, 1740-1900 | 393 | 452 | 566 | 677 | 720 | 423 | 332 | 257 | 540 | 389 | 326 | 255 | 5,330 |
| American Poetry Database | 146 | 203 | 347 | 499 | 490 | 241 | 186 | 154 | 124 | 125 | 115 | 108 | 2,738 |
| AMS E-Journals (meteorology) | 178 | 224 | 442 | 529 | 542 | 230 | 200 | 142 | 114 | 103 | 78 | 97 | 2,879 |
| Annales Geophysicae * | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 6 |
| Annales Mathematici Polinici * | 10 | 11 | 18 | 18 | 22 | 23 | 13 | 3 | 10 | 5 | 5 | 7 | 145 |
| Annee-philologique | 158 | 168 | 317 | 478 | 447 | 194 | 159 | 117 | 110 | 119 | 75 | 109 | 2,451 |
| Annual Bibliography of English Language and Literature | 104 | 159 | 298 | 425 | 424 | 207 | 172 | 119 | 122 | 110 | 119 | 125 | 2,384 |
| Annual Of the Association of American Geographers * | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Annual Reviews | 491 | 436 | 475 | 643 | 741 | 385 | 235 | 164 | 252 | 313 | 244 | 206 | 4,585 |
| Anthropology Plus | 252 | 423 | 485 | 789 | 635 | 310 | 260 | 141 | 207 | 330 | 265 | 269 | 4,366 |
| AnthroSource | 203 | 279 | 396 | 650 | 485 | 250 | 208 | 120 | 126 | 238 | 166 | 218 | 3,339 |
| Applied Mathematics Research eXpress * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| Applied Psychology * # | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Applied Rheology * | 15 | 22 | 34 | 59 | 45 | 34 | 22 | 5 | 9 | 15 | 8 | 13 | 281 |
| Applied Science and Technology Abstracts | 318 | 430 | 509 | 765 | 796 | 404 | 316 | 188 | 374 | 309 | 260 | 236 | 4,905 |
| Aquatic Science and Fisheries Abstracts | 338 | 375 | 602 | 814 | 764 | 405 | 293 | 173 | 284 | 223 | 256 | 176 | 4,703 |
| Archive of Americana | 0 | 0 | 0 | 0 | 0 | 0 | 76 | 128 | 151 | 158 | 102 | 135 | 750 |
| Archive of Americana * # | 0 | 0 | 0 | 0 | 0 | 38 | 67 | 33 | 0 | 0 | 0 | 0 | 138 |
| ArchiveGrid | 172 | 210 | 402 | 552 | 557 | 289 | 187 | 135 | 144 | 145 | 99 | 115 | 3,007 |
| ArchivesUSA (manuscript collections) | 149 | 221 | 371 | 621 | 594 | 311 | 216 | 153 | 127 | 140 | 93 | 136 | 3,132 |
| Armed Conflict Database | 168 | 199 | 397 | 514 | 464 | 258 | 188 | 131 | 122 | 127 | 111 | 98 | 2,777 |
| Art Abstracts | 328 | 524 | 597 | 824 | 651 | 359 | 260 | 172 | 404 | 548 | 328 | 278 | 5,273 |
| Art and Archaeology Technical Abstracts | 163 | 192 | 342 | 457 | 467 | 242 | 162 | 118 | 102 | 105 | 104 | 104 | 2,558 |
| Art History Department Visual Resource Selections * | 82 | 113 | 192 | 180 | 141 | 112 | 96 | 99 | 70 | 64 | 46 | 42 | 1,237 |
| Art Index Retrospective | 236 | 374 | 527 | 761 | 685 | 413 | 263 | 163 | 257 | 298 | 294 | 247 | 4,518 |
| Art, Architecture and Landscape Pictures Public Site * # | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 40 |
| Art, Architecture, and Landscape Pictures | 275 | 296 | 461 | 561 | 551 | 296 | 237 | 202 | 243 | 247 | 230 | 151 | 3,750 |
| ARTbibliographies Modern | 186 | 304 | 423 | 637 | 576 | 304 | 196 | 133 | 192 | 269 | 133 | 171 | 3,524 |
| ARTFL (French literature) | 135 | 173 | 358 | 531 | 521 | 277 | 193 | 159 | 113 | 99 | 66 | 97 | 2,722 |
| ARTstor (pictures of art, architecture, and visual culture) | 224 | 320 | 307 | 426 | 225 | 206 | 140 | 168 | 535 | 465 | 377 | 302 | 3,695 |
| ASAE Tech Library | 138 | 160 | 309 | 446 | 473 | 219 | 172 | 137 | 134 | 83 | 60 | 88 | 2,419 |
| Asahi Shinbun * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ASCE Research Library | 177 | 241 | 378 | 407 | 426 | 251 | 208 | 137 | 162 | 204 | 212 | 136 | 2,939 |
| ASM Handbooks Online | 154 | 230 | 328 | 425 | 422 | 202 | 156 | 147 | 145 | 134 | 103 | 119 | 2,565 |
| ASME Online Journals (mechanical engineering) | 165 | 208 | 344 | 367 | 398 | 206 | 180 | 111 | 124 | 129 | 122 | 93 | 2,447 |
| Associations Unlimited | 191 | 310 | 704 | 549 | 515 | 273 | 241 | 156 | 360 | 177 | 93 | 187 | 3,756 |
| ASTM Standards | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ASTM Standards * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Avery (architecture) | 516 | 473 | 609 | 677 | 617 | 344 | 240 | 178 | 547 | 594 | 454 | 229 | 5,478 |
| Baywood Titles * | 6 | 12 | 26 | 9 | 11 | 0 | 0 | 2 | 4 | 3 | 1 | 3 | 77 |
| Beilstein/Gmelin (Chemistry) | 89 | 139 | 260 | 306 | 354 | 145 | 125 | 91 | 80 | 84 | 50 | 52 | 1,775 |
| Berkeley Electronic Press Journals * | 11 | 17 | 16 | 20 | 19 | 19 | 7 | 7 | 11 | 5 | 5 | 10 | 147 |
| Bibl. of the History of Art | 300 | 407 | 527 | 769 | 610 | 383 | 271 | 219 | 243 | 307 | 245 | 243 | 4,524 |
| Bible in English | 133 | 173 | 316 | 391 | 429 | 222 | 168 | 129 | 122 | 121 | 77 | 101 | 2,382 |
| Bibliography of Asian Studies | 176 | 218 | 388 | 560 | 556 | 311 | 194 | 125 | 175 | 143 | 178 | 135 | 3,159 |
| Big Ten Library Catalogs | 87 | 107 | 149 | 181 | 197 | 89 | 75 | 63 | 88 | 82 | 57 | 47 | 1,222 |
| Biochemical Journal * | 1 | 3 | 6 | 2 | 5 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 20 |
| Biography and Genealogy Master Index (BGMI) | 309 | 479 | 663 | 725 | 648 | 383 | 284 | 194 | 350 | 244 | 185 | 203 | 4,667 |
| Biological Abstracts | 1,109 | 1,459 | 1,295 | 1,514 | 1,074 | 675 | 543 | 381 | 785 | 1,274 | 881 | 541 | 11,531 |
| Biological and Agricultural Index | 448 | 528 | 605 | 855 | 719 | 439 | 286 | 154 | 232 | 518 | 379 | 238 | 5,401 |
| BioOne * | 83 | 60 | 73 | 42 | 29 | 16 | 12 | 16 | 22 | 23 | 19 | 20 | 415 |
| Black Drama | 159 | 160 | 280 | 349 | 370 | 155 | 136 | 100 | 101 | 101 | 75 | 81 | 2,067 |
| Blackwell Science/Blackwell Publishing Journals | 1,026 | 1,117 | 1,171 | 1,251 | 948 | 702 | 417 | 360 | 463 | 680 | 446 | 367 | 8,948 |
| BNA Criminal Law Reporter | 110 | 172 | 307 | 420 | 459 | 195 | 164 | 87 | 83 | 121 | 88 | 94 | 2,300 |
| BNA Electronic Web Subscriptions | 0 | 0 | 0 | 0 | 0 | 0 | 129 | 115 | 98 | 76 | 58 | 76 | 552 |
| BNA Environment Reporter | 96 | 143 | 279 | 414 | 453 | 194 | 159 | 88 | 89 | 77 | 71 | 89 | 2,152 |
| BNA Family Law Reporter | 95 | 145 | 275 | 402 | 438 | 188 | 153 | 86 | 72 | 81 | 63 | 77 | 2,075 |
| BNA Health Law Reporter | 106 | 158 | 275 | 423 | 444 | 197 | 147 | 91 | 73 | 81 | 65 | 93 | 2,153 |
| BNA Labor and Employment Library | 167 | 185 | 304 | 473 | 485 | 237 | 213 | 120 | 130 | 160 | 75 | 132 | 2,681 |
| BNA Law resources | 0 | 0 | 0 | 0 | 0 | 0 | 81 | 97 | 95 | 120 | 78 | 107 | 578 |
| Book Review Index | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 145 | 145 |
| Brown Women Writers Project | 114 | 141 | 295 | 406 | 440 | 199 | 159 | 104 | 83 | 70 | 45 | 69 | 2,125 |
| Bulletin de la Societe mathematique de France * | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| Business Cycle Indicators - U.S. Indicators | 207 | 312 | 419 | 488 | 463 | 242 | 177 | 149 | 167 | 234 | 156 | 114 | 3,128 |
| CAB Abstracts (Agriculture, nutrition and global health) | 489 | 558 | 653 | 857 | 813 | 543 | 313 | 252 | 568 | 635 | 381 | 334 | 6,396 |
| CALIBER - Journals of the University of California Press * | 12 | 10 | 20 | 10 | 6 | 7 | 13 | 6 | 6 | 3 | 7 | 2 | 102 |
| Cambridge University Press - Electronic Journals | 301 | 409 | 594 | 626 | 566 | 356 | 238 | 195 | 216 | 283 | 236 | 202 | 4,222 |
| CAMIO (Catalog of Art Museum Images Online) | 140 | 163 | 339 | 458 | 462 | 216 | 157 | 95 | 117 | 86 | 72 | 94 | 2,399 |
| CAMIO (Catalog of Art Museum Images Online) * # | 42 | 40 | 105 | 143 | 82 | 75 | 62 | 39 | 13 | 0 | 0 | 0 | 601 |
| Canadian Journal of Forest Research * | 4 | 1 | 3 | 5 | 0 | 0 | 2 | 0 | 6 | 2 | 7 | 3 | 33 |
| Canadian Journal of Plant Pathology * | 6 | 4 | 2 | 3 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 18 |
| Canadian Journal of Zoology * | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 8 |
| Canadian Poetry | 95 | 142 | 297 | 394 | 431 | 201 | 150 | 110 | 77 | 55 | 36 | 63 | 2,051 |
| Cancer Research * | 14 | 6 | 16 | 10 | 0 | 8 | 3 | 6 | 3 | 6 | 5 | 2 | 79 |
| CAT - PSU Libraries Web Catalog | 122,340 | 127,171 | 113,793 | 107,752 | 66,723 | 62,413 | 60,286 | 60,263 | 122,453 | 136,934 | 116,143 | 80,507 | 1,176,778 |
| Catalog of U.S. Government Publications | 0 | 0 | 0 | 0 | 254 | 157 | 193 | 144 | 102 | 150 | 99 | 81 | 1,180 |
| CatchWord * | 410 | 390 | 440 | 357 | 249 | 172 | 121 | 134 | 155 | 262 | 218 | 120 | 3,028 |
| CCH Health and Human Resources Network | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CCH Tax Research Network | 288 | 240 | 373 | 520 | 466 | 274 | 177 | 148 | 372 | 190 | 76 | 94 | 3,218 |
| CenStats | 134 | 188 | 308 | 423 | 442 | 212 | 158 | 120 | 122 | 143 | 114 | 107 | 2,471 |
| Center for Research Libraries | 149 | 192 | 357 | 481 | 516 | 272 | 204 | 168 | 95 | 114 | 101 | 97 | 2,746 |
| Central Daily News * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Centre Daily Times (1996 - present) | 144 | 191 | 257 | 325 | 294 | 191 | 159 | 119 | 134 | 214 | 144 | 114 | 2,286 |
| Centre Daily Times Index (1981-2002) | 192 | 167 | 334 | 478 | 517 | 293 | 216 | 127 | 134 | 175 | 129 | 100 | 2,862 |
| Ceramic Abstracts | 139 | 184 | 400 | 491 | 549 | 233 | 200 | 132 | 97 | 83 | 54 | 67 | 2,629 |
| Chemical Abstracts | 142 | 195 | 358 | 353 | 370 | 170 | 139 | 97 | 95 | 127 | 134 | 70 | 2,250 |
| Chemical and Engineering News Online * | 3 | 1 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 9 |
| CHEMnetBASE(chemistry, physics, polymers) | 248 | 308 | 492 | 635 | 569 | 371 | 234 | 158 | 184 | 304 | 242 | 180 | 3,925 |
| Child Abuse, Child Welfare and Adoption | 115 | 242 | 343 | 408 | 410 | 196 | 159 | 94 | 137 | 143 | 96 | 99 | 2,442 |
| Children's Literature Comprehensive Database | 834 | 1,192 | 1,382 | 1,459 | 620 | 439 | 366 | 212 | 850 | 2,257 | 1,311 | 1,088 | 12,010 |
| China Academic Journals (Full text Chinese journal articles) | 144 | 188 | 358 | 395 | 383 | 171 | 142 | 114 | 141 | 130 | 112 | 87 | 2,365 |
| China Times * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| ChoiceReviews online * | 233 | 297 | 449 | 601 | 565 | 282 | 218 | 169 | 159 | 160 | 137 | 139 | 3,409 |
| Chosun Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| Chronicle of Higher Education | 482 | 526 | 640 | 699 | 752 | 423 | 399 | 306 | 402 | 459 | 400 | 280 | 5,768 |
| CIAO (International Affairs) | 296 | 378 | 447 | 630 | 551 | 261 | 182 | 130 | 189 | 163 | 174 | 146 | 3,547 |
| CINAHL (nursing and allied health) | 994 | 1,458 | 1,197 | 1,105 | 805 | 586 | 618 | 269 | 950 | 1,212 | 1,045 | 503 | 10,742 |
| Cities of the United States, 5th ed. * | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Cities of the World, 6th ed. * | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 10 | 7 | 8 | 6 | 33 |
| Civil War Letters and Diaries (U.S.Civil War) | 153 | 188 | 353 | 499 | 508 | 281 | 195 | 130 | 114 | 149 | 84 | 94 | 2,748 |
| Classical Music Service * | 334 | 464 | 534 | 523 | 318 | 253 | 219 | 180 | 496 | 532 | 488 | 517 | 4,858 |
| Clinical Cancer Research * | 3 | 5 | 4 | 3 | 0 | 1 | 2 | 2 | 3 | 0 | 2 | 0 | 25 |
| Clinical Kinesiology * | 0 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 8 |
| Columbia Gazetteer of the World Online # | 143 | 184 | 151 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 478 |
| Columbia Granger's World of Poetry | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 37 |
| Communication Abstracts | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Communication and Mass Media Complete | 1,081 | 1,878 | 1,583 | 1,868 | 912 | 614 | 552 | 389 | 1,219 | 2,209 | 1,681 | 1,028 | 15,014 |
| Communications in Pure and Applied Analysis * | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Community Health Database (Southeastern Pennsylvania Household Health Survey) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 73 | 86 | 56 | 56 | 271 |
| Community of Science | 127 | 183 | 322 | 364 | 366 | 174 | 151 | 109 | 90 | 128 | 104 | 81 | 2,199 |
| Compendex (engineering) | 2,503 | 3,181 | 2,993 | 3,501 | 2,907 | 2,396 | 1,913 | 1,744 | 2,779 | 2,844 | 2,736 | 2,173 | 31,670 |
| Computer Manuals On-line (Safari) | 1,060 | 915 | 1,289 | 1,358 | 1,586 | 991 | 776 | 719 | 1,004 | 929 | 866 | 583 | 12,076 |
| Conference Board's Research Online Collection (business, economics) | 104 | 177 | 286 | 390 | 430 | 194 | 151 | 113 | 79 | 73 | 65 | 65 | 2,127 |
| Conference Papers Index | 132 | 183 | 385 | 480 | 531 | 243 | 187 | 128 | 95 | 105 | 58 | 64 | 2,591 |
| Congress Collection (CQ) | 190 | 278 | 356 | 543 | 481 | 222 | 163 | 93 | 163 | 129 | 128 | 141 | 2,887 |
| Congress Daily * | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3 |
| Congressional Research Service Reports (Gallerywatch) | 272 | 276 | 421 | 577 | 543 | 262 | 232 | 126 | 301 | 205 | 140 | 123 | 3,478 |
| Congressional/Legislative Resources (1789-to date) | 209 | 190 | 348 | 531 | 554 | 280 | 191 | 130 | 125 | 116 | 137 | 119 | 2,930 |
| Constitutions of the Countries of the World | 0 | 0 | 265 | 490 | 542 | 246 | 177 | 119 | 85 | 78 | 72 | 95 | 2,169 |
| Consumer Health (Medline plus) | 230 | 324 | 435 | 521 | 467 | 252 | 193 | 137 | 203 | 280 | 224 | 178 | 3,444 |
| Contemporary Authors | 299 | 20,803 | 975 | 915 | 675 | 408 | 247 | 189 | 338 | 493 | 332 | 313 | 25,987 |
| Contemporary Literary Criticism Select # | 231 | 289 | 585 | 759 | 620 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2,484 |
| Contemporary Women's Issues | 191 | 308 | 482 | 758 | 646 | 345 | 224 | 148 | 251 | 321 | 284 | 253 | 4,211 |
| Copper Data Center Database | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 44 | 27 | 34 | 126 |
| Corpus of Middle English Prose and Verse | 75 | 109 | 245 | 300 | 365 | 146 | 123 | 81 | 61 | 49 | 27 | 39 | 1,620 |
| Corrosion Abstracts | 109 | 163 | 356 | 453 | 511 | 206 | 165 | 113 | 86 | 74 | 57 | 51 | 2,344 |
| Corrosion Journal Online * | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| CQ Electronic Library | 197 | 311 | 478 | 731 | 551 | 294 | 235 | 166 | 276 | 331 | 354 | 210 | 4,134 |
| CQ Researcher (contemporary issues) | 1,585 | 2,623 | 2,800 | 3,068 | 1,229 | 903 | 1,615 | 507 | 2,296 | 3,864 | 3,318 | 1,633 | 25,441 |
| CQ Supreme Court Collection | 0 | 0 | 0 | 0 | 429 | 215 | 188 | 94 | 101 | 140 | 122 | 120 | 1,409 |
| CQ Voting and Elections Collection | 133 | 210 | 528 | 685 | 729 | 334 | 249 | 179 | 120 | 126 | 115 | 110 | 3,518 |
| CQ Weekly Reports (Congressional Quarterly) | 192 | 260 | 411 | 563 | 577 | 275 | 188 | 114 | 191 | 151 | 104 | 123 | 3,149 |
| Criminal Justice Abstracts | 622 | 1,172 | 1,483 | 1,183 | 834 | 490 | 372 | 203 | 745 | 1,548 | 1,051 | 586 | 10,289 |
| Criminal Justice:National Criminal Justice Reference Service (NCJRS) | 312 | 540 | 836 | 927 | 805 | 395 | 284 | 172 | 406 | 711 | 364 | 268 | 6,020 |
| Crystallography Journals Online * | 4 | 7 | 9 | 2 | 6 | 0 | 1 | 0 | 4 | 3 | 5 | 0 | 41 |
| Current Citations (now TOC Premier) # | 147 | 186 | 512 | 715 | 821 | 382 | 268 | 163 | 121 | 151 | 101 | 141 | 3,708 |
| Current Index to (mathematical) Statistics * | 87 | 89 | 250 | 363 | 394 | 177 | 127 | 85 | 52 | 54 | 48 | 64 | 1,790 |
| Current Issues in Tourism * | 0 | 4 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
| CyberPsychology and Behavior * | 11 | 4 | 0 | 12 | 2 | 0 | 1 | 1 | 3 | 2 | 4 | 0 | 40 |
| Daily Collegian (1887-1976) (Digital Archive) | 116 | 163 | 310 | 435 | 448 | 261 | 227 | 143 | 166 | 324 | 172 | 120 | 2,885 |
| Daily Collegian (1988 - present) | 131 | 171 | 332 | 499 | 453 | 253 | 205 | 127 | 133 | 252 | 152 | 116 | 2,824 |
| Database of Twentieth Century African American Poetry | 71 | 112 | 260 | 367 | 441 | 188 | 145 | 113 | 58 | 60 | 35 | 60 | 1,910 |
| Datasets for Research | 150 | 193 | 302 | 460 | 437 | 205 | 170 | 118 | 114 | 155 | 105 | 83 | 2,492 |
| de Gruyter Online Journals * | 7 | 14 | 7 | 4 | 5 | 1 | 4 | 1 | 2 | 4 | 2 | 11 | 62 |
| Declassified Documents Reference System | 77 | 95 | 248 | 315 | 361 | 159 | 122 | 100 | 67 | 75 | 77 | 93 | 1,789 |
| Dickinson School of Law Library Catalog # | 76 | 104 | 245 | 317 | 350 | 157 | 136 | 85 | 0 | 0 | 0 | 0 | 1,470 |
| Dictionary of Art (an illustrated encyclopedia of Art) | 300 | 407 | 545 | 761 | 687 | 409 | 243 | 166 | 164 | 298 | 158 | 213 | 4,351 |
| Dictionary of Literary Biography | 422 | 309 | 521 | 764 | 734 | 427 | 262 | 205 | 344 | 411 | 327 | 309 | 5,035 |
| Dictionary of Substances and their Effects Database * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| Digital Library Classic Protestant Texts | 58 | 79 | 242 | 338 | 381 | 178 | 138 | 108 | 73 | 67 | 36 | 76 | 1,774 |
| Digital library of the Catholic reformation | 0 | 0 | 0 | 0 | 0 | 0 | 46 | 84 | 49 | 50 | 29 | 48 | 306 |
| Digital Music Library * | 4 | 5 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | 17 |
| Directory of Open Access Journals | 66 | 118 | 253 | 323 | 350 | 156 | 128 | 89 | 90 | 102 | 75 | 87 | 1,837 |
| Directory of Published Proceedings | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 28 | 31 | 100 |
| Discrete and Continuous Dynamical Systems - Series A * | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| Discrete and Continuous Dynamical Systems - Series B * | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
| Discrete Dynamics in Nature and Society * | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Dissertation Abstracts | 930 | 1,080 | 1,063 | 1,366 | 1,320 | 989 | 706 | 615 | 916 | 845 | 765 | 539 | 11,134 |
| DOE Information Bridge (technical reports) | 96 | 131 | 311 | 454 | 446 | 226 | 155 | 96 | 65 | 72 | 48 | 74 | 2,174 |
| Dow Jones (now Factiva) # | 1,908 | 2,191 | 2,377 | 3,135 | 2,578 | 1,681 | 1,120 | 848 | 0 | 0 | 0 | 0 | 15,838 |
| Duke Mathematical Journal * | 1 | 5 | 4 | 7 | 1 | 4 | 5 | 3 | 2 | 3 | 2 | 8 | 45 |
| DYABOLA | 87 | 111 | 269 | 428 | 426 | 202 | 145 | 95 | 59 | 69 | 48 | 70 | 2,009 |
| E-Journal Title Search | 469 | 671 | 886 | 992 | 599 | 454 | 323 | 222 | 434 | 549 | 476 | 350 | 6,425 |
| E-STAT (Canadian Statistics) | 33 | 67 | 256 | 390 | 424 | 193 | 143 | 100 | 55 | 65 | 50 | 58 | 1,834 |
| E-ZBorrow(PALCI) | 22 | 40 | 29 | 105 | 104 | 60 | 36 | 23 | 2 | 0 | 0 | 0 | 421 |
| Early American Fiction 1789-1875 | 71 | 95 | 278 | 415 | 456 | 211 | 160 | 109 | 69 | 66 | 42 | 59 | 2,031 |
| Early American Imprints II: Shaw-Shoemaker 1801-1819 | 0 | 0 | 0 | 0 | 334 | 147 | 149 | 110 | 70 | 59 | 40 | 58 | 967 |
| Early American Imprints Series I. Evans (1639-1800) | 181 | 227 | 353 | 476 | 505 | 257 | 201 | 164 | 292 | 169 | 109 | 132 | 3,066 |
| Early American Imprints Text Creation Partnership | 37 | 74 | 243 | 369 | 403 | 168 | 131 | 77 | 78 | 45 | 26 | 42 | 1,693 |
| Early American Newspapers, 1690-1876 (now: America's Historial Newspapers) | 152 | 295 | 346 | 431 | 486 | 257 | 154 | 94 | 177 | 116 | 62 | 77 | 2,647 |
| Early Civilizations in the Americas, 2006 * | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 |
| Early English Books Online (EEBO) | 300 | 308 | 594 | 685 | 648 | 389 | 379 | 288 | 346 | 368 | 404 | 356 | 5,065 |
| Early english books online - text creation partnership | 56 | 82 | 269 | 381 | 412 | 169 | 147 | 88 | 71 | 86 | 67 | 54 | 1,882 |
| Early English Prose Fiction (1500-1700) | 50 | 78 | 261 | 372 | 413 | 169 | 137 | 96 | 51 | 59 | 40 | 63 | 1,789 |
| Earthscape (earth and environmental sciences) # | 204 | 271 | 430 | 560 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,465 |
| Ebsco Host Databases | 798 | 928 | 1,215 | 1,320 | 887 | 718 | 674 | 358 | 804 | 1,497 | 1,333 | 855 | 11,387 |
| Ecology Abstracts | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 54 | 131 | 68 | 59 | 312 |
| EconLit (economics) | 497 | 742 | 776 | 1,197 | 822 | 489 | 366 | 270 | 401 | 474 | 471 | 436 | 6,941 |
| Economic Geography * | 0 | 4 | 1 | 3 | 3 | 26 | 6 | 0 | 0 | 7 | 7 | 12 | 69 |
| Editions and Adaptations of Shakespeare | 55 | 87 | 260 | 395 | 437 | 170 | 133 | 93 | 54 | 52 | 38 | 63 | 1,837 |
| EDP Sciences * | 21 | 11 | 8 | 9 | 3 | 4 | 1 | 5 | 4 | 3 | 3 | 4 | 76 |
| EDRS | 2 | 1 | 0 | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 10 |
| Education Abstracts Full Text [Wilson] | 1,416 | 1,796 | 1,740 | 1,808 | 1,229 | 1,278 | 991 | 464 | 1,449 | 1,762 | 1,350 | 724 | 16,007 |
| Education Complete (Proquest) | 19 | 19 | 43 | 78 | 79 | 59 | 39 | 26 | 14 | 9 | 8 | 15 | 408 |
| Education Databases [including ERIC] | 994 | 1,310 | 1,336 | 1,365 | 935 | 804 | 871 | 459 | 1,050 | 1,223 | 990 | 543 | 11,880 |
| Education Finance and Policy * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 2 | 3 | 0 | 10 |
| Educational Administration Abstracts * | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 4 |
| Educator's Reference Desk * | 110 | 159 | 155 | 189 | 89 | 120 | 113 | 53 | 30 | 19 | 19 | 14 | 1,070 |
| Eighteenth Century Collections Online (ECCO) | 204 | 331 | 508 | 702 | 571 | 404 | 351 | 268 | 295 | 322 | 217 | 221 | 4,394 |
| Eighteenth Century Fiction | 47 | 92 | 265 | 423 | 452 | 195 | 167 | 111 | 57 | 71 | 53 | 62 | 1,995 |
| Eighteenth Century Journals II | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Electrochemical and Solid State Letters * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Electronic Reserves | 14,879 | 13,041 | 9,047 | 8,473 | 3,756 | 2,601 | 2,302 | 1,836 | 16,144 | 15,657 | 9,519 | 5,719 | 102,974 |
| Electronic Theses and Dissertations | 96 | 125 | 318 | 401 | 403 | 205 | 153 | 148 | 126 | 145 | 130 | 108 | 2,358 |
| Electronic Theses and Dissertations Resources | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Elsevier ScienceDirect (full text journal articles) | 1,466 | 1,473 | 1,634 | 1,593 | 1,397 | 1,183 | 985 | 810 | 1,084 | 1,338 | 1,109 | 882 | 14,954 |
| Elsevier ScienceDirect Web Editions (full text journal articles) * | 1,716 | 1,498 | 1,559 | 1,349 | 943 | 569 | 455 | 361 | 439 | 512 | 398 | 311 | 10,110 |
| Empire Online, 1492-1969 | 90 | 143 | 306 | 448 | 431 | 217 | 158 | 110 | 69 | 82 | 65 | 82 | 2,201 |
| Encyclopaedia Britannica # | 751 | 826 | 1,019 | 1,267 | 767 | 325 | 0 | 0 | 0 | 0 | 0 | 0 | 4,955 |
| Encyclopedia of African-American Culture and History, 2nd ed. * | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 5 |
| Encyclopedia of Agricultural, Food, and Biological Engineering * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 15 | 13 | 8 | 19 | 64 |
| Encyclopedia of American Studies | 0 | 0 | 228 | 383 | 369 | 164 | 170 | 103 | 164 | 207 | 128 | 131 | 2,047 |
| Encyclopedia of Animal Science * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 18 | 15 | 8 | 17 | 67 |
| Encyclopedia of Distance Learning * | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 |
| Encyclopedia of Forest Science * | 26 | 28 | 45 | 111 | 111 | 80 | 44 | 23 | 26 | 40 | 31 | 40 | 605 |
| Encyclopedia of Genetics * | 48 | 93 | 81 | 208 | 209 | 118 | 66 | 28 | 39 | 79 | 78 | 71 | 1,118 |
| Encyclopedia of International Media and Communications | 0 | 0 | 0 | 0 | 0 | 0 | 99 | 160 | 148 | 211 | 166 | 121 | 905 |
| Encyclopedia of Life Sciences # | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 |
| Encyclopedia of Pest Management * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 14 | 12 | 6 | 21 | 62 |
| Encyclopedia of Philosophy, 2nd ed. * | 0 | 0 | 4 | 0 | 5 | 0 | 1 | 9 | 0 | 2 | 2 | 4 | 27 |
| Encyclopedia of Plant and Crop Science * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 14 | 15 | 9 | 18 | 65 |
| Encyclopedia of Public Administration | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 15 |
| Encyclopedia of Soil Science * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 11 | 14 | 9 | 16 | 59 |
| Encyclopedia of Water Science * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 14 | 12 | 11 | 20 | 67 |
| Energy Citations Database (nuclear, fossil fuels, renewable, etc.) | 102 | 181 | 333 | 523 | 496 | 248 | 187 | 106 | 97 | 154 | 137 | 133 | 2,697 |
| Engineered Materials Abstracts | 108 | 146 | 383 | 540 | 568 | 280 | 203 | 136 | 148 | 156 | 84 | 87 | 2,839 |
| English Drama (1280-1915) | 127 | 134 | 328 | 410 | 429 | 209 | 145 | 121 | 90 | 97 | 69 | 67 | 2,226 |
| English Poetry, Second Edition | 95 | 117 | 297 | 434 | 448 | 221 | 182 | 124 | 103 | 113 | 64 | 103 | 2,301 |
| English Short Title Catalogue | 94 | 143 | 322 | 511 | 526 | 229 | 201 | 159 | 111 | 84 | 84 | 96 | 2,560 |
| ENGnetBASE(engineering handbooks) | 148 | 194 | 358 | 504 | 560 | 325 | 181 | 150 | 144 | 155 | 160 | 129 | 3,008 |
| Environment and Planning * | 7 | 6 | 7 | 9 | 6 | 14 | 5 | 2 | 3 | 12 | 8 | 12 | 91 |
| Environmental Engineering Abstracts | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 54 | 91 | 63 | 62 | 270 |
| Environmental Sciences and Pollution Management | 428 | 531 | 955 | 1,258 | 950 | 514 | 450 | 243 | 397 | 664 | 503 | 359 | 7,252 |
| ERIC Databases (Educational Resources Information Center) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ERIC Digest | 208 | 256 | 251 | 265 | 134 | 164 | 161 | 81 | 32 | 37 | 19 | 16 | 1,624 |
| ERIC Search Page * | 534 | 798 | 668 | 627 | 343 | 439 | 396 | 239 | 787 | 1,092 | 922 | 421 | 7,266 |
| ERIC via CSA * | 1,985 | 2,780 | 2,916 | 2,664 | 1,424 | 1,944 | 1,958 | 999 | 2,379 | 3,160 | 2,219 | 1,360 | 25,788 |
| ERL Databases | 82 | 105 | 248 | 345 | 404 | 171 | 143 | 91 | 100 | 124 | 79 | 79 | 1,971 |
| Ethnic NewsWatch | 161 | 234 | 400 | 749 | 769 | 360 | 221 | 155 | 146 | 208 | 160 | 172 | 3,735 |
| European Union Databases * | 9 | 7 | 22 | 76 | 71 | 39 | 19 | 2 | 7 | 10 | 13 | 14 | 289 |
| Evolutionary Ecology Research * | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 |
| Extenza * | 3 | 8 | 7 | 6 | 2 | 1 | 2 | 6 | 7 | 6 | 7 | 4 | 59 |
| Family Studies Abstracts # | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| Fast Stats - International Web Page * | 9 | 4 | 25 | 56 | 54 | 27 | 18 | 3 | 4 | 8 | 10 | 11 | 229 |
| Fast Stats - Pennsylvania Web Page * | 4 | 4 | 21 | 54 | 50 | 25 | 15 | 2 | 9 | 15 | 10 | 13 | 222 |
| Fast Stats - US Web Page * | 4 | 16 | 24 | 52 | 49 | 26 | 20 | 8 | 7 | 12 | 19 | 14 | 251 |
| FBIS (Foreign Broadcast Information Service) | 57 | 72 | 239 | 302 | 345 | 139 | 115 | 79 | 57 | 53 | 37 | 43 | 1,538 |
| Federal R and D Project Summaries (grants) | 29 | 58 | 214 | 301 | 326 | 142 | 111 | 73 | 40 | 47 | 27 | 34 | 1,402 |
| FIAF International FilmArchive Database | 86 | 147 | 304 | 485 | 485 | 232 | 189 | 117 | 92 | 165 | 75 | 87 | 2,464 |
| Film and Television Literature Index (1987-to date) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 50 | 151 | 373 | 208 | 150 | 932 |
| Film Literature Index (1976-2001) | 125 | 203 | 369 | 620 | 526 | 267 | 194 | 148 | 136 | 322 | 166 | 136 | 3,212 |
| Final Exam Schedules for University Park | 54 | 95 | 244 | 327 | 341 | 158 | 118 | 76 | 71 | 81 | 49 | 62 | 1,676 |
| First Break * | 0 | 18 | 32 | 59 | 46 | 37 | 18 | 9 | 7 | 10 | 9 | 12 | 257 |
| Fixed Point Theory and Applications * | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Food Science and Technology Abstracts | 252 | 235 | 449 | 593 | 533 | 298 | 220 | 175 | 401 | 344 | 175 | 155 | 3,830 |
| FRANCIS | 0 | 0 | 64 | 326 | 364 | 228 | 173 | 131 | 121 | 110 | 79 | 104 | 1,700 |
| Fundamenta Mathematicae * | 10 | 9 | 17 | 19 | 24 | 20 | 13 | 5 | 8 | 5 | 5 | 7 | 142 |
| Gale Virtual Reference Library | 270 | 617 | 740 | 968 | 841 | 564 | 443 | 287 | 655 | 1,378 | 1,400 | 1,182 | 9,345 |
| Gallerywatch (Federal Budget and Bill Tracking) | 100 | 98 | 249 | 427 | 461 | 200 | 137 | 85 | 119 | 78 | 74 | 124 | 2,152 |
| Gallup Brain | 100 | 194 | 304 | 453 | 389 | 171 | 225 | 120 | 100 | 292 | 207 | 132 | 2,687 |
| GDF Online (Global Development Finance Online) | 42 | 82 | 254 | 342 | 390 | 193 | 145 | 105 | 74 | 64 | 50 | 51 | 1,792 |
| Gender Watch | 212 | 374 | 455 | 843 | 804 | 379 | 226 | 157 | 269 | 347 | 263 | 240 | 4,569 |
| General Music Today * | 20 | 17 | 37 | 74 | 74 | 50 | 36 | 28 | 34 | 24 | 13 | 15 | 422 |
| GEOBASE | 364 | 518 | 622 | 959 | 714 | 423 | 287 | 217 | 386 | 394 | 323 | 235 | 5,442 |
| GEOBIB (Online Geographical Bibliography) | 34 | 81 | 235 | 332 | 353 | 141 | 114 | 81 | 59 | 55 | 35 | 46 | 1,566 |
| Geochemical Transactions * | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Geological Society of America journals online | 112 | 124 | 272 | 365 | 347 | 164 | 145 | 105 | 133 | 92 | 80 | 69 | 2,008 |
| GeoRef (geoscience literature) | 920 | 882 | 1,152 | 1,599 | 1,210 | 787 | 618 | 529 | 1,008 | 850 | 838 | 534 | 10,927 |
| German History * # | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| GLBT Life | 119 | 176 | 300 | 465 | 485 | 230 | 173 | 115 | 115 | 183 | 112 | 117 | 2,590 |
| Goethe's Werke * | 3 | 15 | 12 | 2 | 0 | 1 | 3 | 4 | 0 | 1 | 2 | 0 | 43 |
| GPO Access * | 104 | 123 | 267 | 400 | 429 | 192 | 136 | 90 | 70 | 87 | 57 | 85 | 2,040 |
| GrayLIT Network (technical reports) | 46 | 90 | 253 | 315 | 336 | 152 | 118 | 75 | 54 | 45 | 26 | 39 | 1,549 |
| Grove Art Online | 63 | 143 | 325 | 430 | 397 | 185 | 145 | 113 | 111 | 164 | 126 | 114 | 2,316 |
| Grove Music Online | 0 | 0 | 233 | 428 | 399 | 169 | 152 | 117 | 271 | 260 | 212 | 261 | 2,502 |
| Guangming Daily * | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Guide To Computing Literature | 84 | 149 | 278 | 410 | 425 | 202 | 170 | 97 | 101 | 99 | 68 | 68 | 2,151 |
| Guide to International Statistics * | 4 | 6 | 18 | 52 | 50 | 26 | 14 | 5 | 5 | 7 | 7 | 11 | 205 |
| Guides to Microforms | 20 | 55 | 218 | 302 | 339 | 136 | 110 | 102 | 72 | 79 | 61 | 52 | 1,546 |
| Gutenberg-e | 57 | 89 | 257 | 331 | 357 | 154 | 139 | 114 | 71 | 60 | 47 | 70 | 1,746 |
| Handbook of Latin American Studies * | 6 | 11 | 22 | 56 | 45 | 29 | 17 | 5 | 15 | 16 | 18 | 16 | 256 |
| HAPI (Hispanic American Periodicals Index) | 66 | 146 | 285 | 409 | 433 | 207 | 181 | 115 | 187 | 121 | 84 | 101 | 2,335 |
| Health and Psychosocial Instruments (HaPI) | 189 | 235 | 385 | 567 | 531 | 259 | 212 | 121 | 179 | 200 | 183 | 135 | 3,196 |
| Health and Safety Science Abstracts | 200 | 292 | 517 | 732 | 668 | 356 | 264 | 162 | 194 | 240 | 207 | 171 | 4,003 |
| HeinOnline | 220 | 268 | 542 | 712 | 698 | 383 | 268 | 267 | 242 | 216 | 155 | 192 | 4,163 |
| Highwire * | 364 | 319 | 341 | 314 | 230 | 155 | 109 | 78 | 165 | 123 | 126 | 90 | 2,414 |
| Historic Documents Series Online | 150 | 239 | 356 | 492 | 417 | 203 | 163 | 122 | 170 | 226 | 218 | 179 | 2,935 |
| Historical Abstracts | 340 | 658 | 590 | 1,002 | 698 | 410 | 258 | 153 | 351 | 479 | 330 | 322 | 5,591 |
| Historical Statistics of the United States | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 124 | 94 | 182 | 172 | 123 | 729 |
| History Cooperative | 150 | 264 | 374 | 620 | 489 | 246 | 185 | 115 | 135 | 241 | 199 | 219 | 3,237 |
| History E-Book Project (ACLS) | 268 | 275 | 443 | 609 | 462 | 243 | 203 | 185 | 244 | 303 | 315 | 271 | 3,821 |
| History of Science, Technology and Medicine | 145 | 200 | 354 | 566 | 554 | 284 | 202 | 124 | 128 | 149 | 115 | 143 | 2,964 |
| Homeland Security Digital Library | 0 | 0 | 0 | 62 | 382 | 194 | 137 | 92 | 56 | 76 | 66 | 59 | 1,124 |
| Hoover's Online (Company Information) | 3,092 | 3,614 | 3,420 | 3,957 | 1,862 | 1,792 | 1,373 | 1,247 | 2,309 | 2,909 | 3,068 | 1,923 | 30,566 |
| Horn Book Guide Online (Children's Book Reviews) | 309 | 236 | 339 | 505 | 499 | 244 | 168 | 131 | 277 | 749 | 332 | 416 | 4,205 |
| HRAF-Human Relations Area Files (anthropology/archaeology) | 167 | 238 | 538 | 818 | 824 | 399 | 300 | 171 | 125 | 222 | 140 | 171 | 4,113 |
| HSRPROJ (health services grants and contracts) | 45 | 54 | 214 | 288 | 335 | 140 | 117 | 75 | 43 | 43 | 33 | 39 | 1,426 |
| HSTAT (clinical practice guidelines, treatment protocols) | 31 | 66 | 233 | 295 | 341 | 140 | 116 | 85 | 55 | 68 | 54 | 61 | 1,545 |
| Human Population and Natural Resources Management | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 101 | 61 | 57 | 264 |
| Humanities Abstracts # | 182 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 184 |
| Hybridoma and Hybridomics * | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 |
| IBIDS (Dietary supplements database) | 74 | 98 | 265 | 401 | 424 | 201 | 149 | 81 | 57 | 56 | 64 | 56 | 1,926 |
| IBZ (International Bibliography of Periodical Literature) | 105 | 148 | 303 | 501 | 512 | 263 | 189 | 154 | 73 | 100 | 81 | 117 | 2,546 |
| ICPSR (Inter-university Consortium for Political and Social Research) | 137 | 163 | 293 | 426 | 414 | 209 | 172 | 116 | 96 | 97 | 89 | 89 | 2,301 |
| IEEE Electronic Library (IEEEXplore) | 1,812 | 1,907 | 2,065 | 2,363 | 1,748 | 1,528 | 1,381 | 1,060 | 1,560 | 2,097 | 1,880 | 1,469 | 20,870 |
| Image Databases @ Penn State | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 119 | 101 | 59 | 53 | 341 |
| In Vitro Cellular and Development Biology - Animal * | 1 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6 |
| Index of Christian Art | 60 | 83 | 280 | 411 | 425 | 207 | 145 | 103 | 65 | 91 | 42 | 58 | 1,970 |
| Index to Foreign Legal Periodicals | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Index to Legal Periodicals Full-Text | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Index to Theses * | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 5 | 1 | 0 | 8 |
| Index Translationum | 38 | 81 | 227 | 318 | 352 | 147 | 122 | 92 | 46 | 40 | 24 | 47 | 1,534 |
| Information Science Abstracts Plus # | 145 | 177 | 75 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 397 |
| Information Science and Technology Abstracts (LISTA) | 0 | 0 | 224 | 365 | 356 | 178 | 142 | 89 | 113 | 141 | 89 | 86 | 1,783 |
| Ingenta * | 414 | 412 | 476 | 564 | 520 | 450 | 307 | 238 | 341 | 372 | 258 | 270 | 4,622 |
| INSPEC | 590 | 642 | 776 | 1,052 | 985 | 724 | 585 | 384 | 530 | 743 | 629 | 534 | 8,174 |
| InterAM Database (National Law Center for Inter-American Free Trade) | 0 | 0 | 222 | 409 | 502 | 221 | 168 | 109 | 56 | 55 | 47 | 72 | 1,861 |
| Interface * | 9 | 5 | 0 | 1 | 0 | 14 | 2 | 3 | 4 | 4 | 1 | 0 | 43 |
| International Encyclopedia of Social and Behavioral Sciences | 414 | 570 | 845 | 1,320 | 1,353 | 706 | 439 | 249 | 444 | 674 | 421 | 361 | 7,796 |
| International Financial Statistics Online | 166 | 238 | 369 | 486 | 453 | 235 | 170 | 136 | 110 | 115 | 97 | 80 | 2,655 |
| International Index to Black Periodicals Full Text | 160 | 264 | 614 | 816 | 855 | 365 | 282 | 184 | 206 | 188 | 164 | 161 | 4,259 |
| International Index to Music Periodicals | 206 | 285 | 582 | 773 | 704 | 365 | 316 | 225 | 305 | 351 | 260 | 201 | 4,573 |
| International Index to the Performing Arts | 115 | 199 | 325 | 541 | 507 | 227 | 174 | 105 | 81 | 164 | 67 | 94 | 2,599 |
| International Journal of Bilingual Education and Bilingualism * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| International Journal of Engineering Education * | 4 | 0 | 7 | 1 | 11 | 0 | 0 | 1 | 2 | 3 | 1 | 1 | 31 |
| International Journal of Entrepreneurship Education * | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 9 | 0 | 0 | 12 |
| International Journal of Mathematics and Mathematical Sciences * | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 |
| International Journal of Multilingualism * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| International Journal of the Sociology of Language * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 |
| International Law in Domestic Courts | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| International Mathematics Research Notices * | 0 | 0 | 1 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 6 |
| International Medieval Bibliography | 107 | 167 | 312 | 450 | 423 | 228 | 161 | 111 | 81 | 102 | 91 | 93 | 2,326 |
| Internet Journal of Chemistry * | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Internet Movie Database * | 8 | 18 | 21 | 68 | 58 | 33 | 23 | 10 | 15 | 17 | 12 | 14 | 297 |
| IOP E-Journals (physics) | 212 | 208 | 370 | 472 | 492 | 256 | 208 | 153 | 96 | 127 | 138 | 121 | 2,853 |
| iPoll | 101 | 223 | 330 | 479 | 369 | 171 | 246 | 123 | 93 | 353 | 196 | 128 | 2,812 |
| ITER:Gateway to the Middle Ages and Renaissance | 120 | 139 | 331 | 496 | 458 | 242 | 165 | 110 | 110 | 120 | 79 | 81 | 2,451 |
| JACIC Online Technical Information * | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| JAI Online Journal * | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Japan Times * | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 6 |
| Johns Hopkins Guide to Literary Theory and Criticism | 130 | 191 | 384 | 532 | 480 | 225 | 177 | 139 | 179 | 169 | 176 | 152 | 2,934 |
| Joong-Ang * | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 |
| Journal of American Ceramic Society * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 3 |
| Journal of American Ethnic History * # | 16 | 14 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 52 |
| Journal of Animal Science * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Journal of Applied Mathematics * | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Journal of Applied Mathematics and Stochastic Analysis * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Journal of Biomedicine and Biotechnology * | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 6 |
| Journal of Chemical Education * | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Journal of Computational Biology * | 3 | 0 | 2 | 3 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 11 |
| Journal of Electrochemical Society * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| Journal of Food Science * | 3 | 10 | 3 | 0 | 5 | 16 | 2 | 2 | 5 | 6 | 5 | 1 | 58 |
| Journal of Insect Science * | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 4 |
| Journal of Materials Research * | 38 | 52 | 28 | 15 | 6 | 9 | 1 | 5 | 3 | 11 | 4 | 4 | 176 |
| Journal of Multilingual and Multicultural Development * | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 4 |
| Journal of Park and Recreation Administration * | 22 | 19 | 46 | 79 | 57 | 49 | 31 | 30 | 12 | 17 | 14 | 19 | 395 |
| Journal of School Nursing * | 4 | 4 | 3 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 18 |
| Journal of Universal Computer Science * | 1 | 1 | 1 | 3 | 0 | 1 | 2 | 2 | 1 | 3 | 2 | 0 | 17 |
| JSTOR (full text journal articles) | 5,442 | 8,007 | 8,218 | 9,438 | 4,017 | 2,996 | 2,743 | 2,122 | 4,964 | 8,780 | 8,953 | 7,747 | 73,427 |
| Kirk-Othmer Encyclopedia of Industrial Chemistry | 0 | 0 | 179 | 408 | 457 | 201 | 164 | 92 | 113 | 85 | 72 | 75 | 1,846 |
| Kluwer Online | 643 | 818 | 934 | 866 | 771 | 466 | 327 | 280 | 304 | 438 | 325 | 249 | 6,421 |
| Kraus Curriculum Development Library(KCDL)Online * | 170 | 190 | 303 | 533 | 608 | 275 | 199 | 114 | 118 | 142 | 78 | 97 | 2,827 |
| Language Testing * | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 2 | 2 | 9 |
| Language, Culture and Curriculum * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| LEA Online * | 119 | 157 | 145 | 69 | 33 | 12 | 17 | 14 | 29 | 47 | 26 | 11 | 679 |
| LegalTrac | 264 | 385 | 527 | 636 | 552 | 301 | 233 | 210 | 333 | 296 | 262 | 239 | 4,238 |
| Lexikon des Mittelalters Online | 25 | 63 | 231 | 300 | 333 | 140 | 115 | 77 | 52 | 44 | 19 | 38 | 1,437 |
| LexisNexis Academic Universe | 4,801 | 6,868 | 6,921 | 7,604 | 3,774 | 3,224 | 2,997 | 2,110 | 5,911 | 8,764 | 7,690 | 4,560 | 65,224 |
| LexisNexis Committee Prints * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 |
| LexisNexis Congressional Record and Rules * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| LexisNexis Congressional Universe | 750 | 803 | 1,046 | 1,276 | 1,102 | 620 | 459 | 344 | 476 | 560 | 550 | 464 | 8,450 |
| LexisNexis Hearings * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| LexisNexis House and Senate Documents * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 |
| LexisNexis House and Senate Reports * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| LexisNexis Legislative Histories * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| Lianhe News * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| Libraries by Geographic Location | 29 | 53 | 220 | 298 | 321 | 140 | 119 | 74 | 49 | 47 | 27 | 38 | 1,415 |
| Library and Information Science Abstracts (LISA) | 86 | 121 | 284 | 338 | 390 | 179 | 158 | 101 | 91 | 140 | 78 | 84 | 2,050 |
| Library Literature | 218 | 295 | 479 | 612 | 541 | 328 | 241 | 210 | 221 | 239 | 280 | 304 | 3,968 |
| Library of Latin texts: CLCLT | 34 | 76 | 323 | 315 | 341 | 152 | 120 | 83 | 54 | 49 | 25 | 53 | 1,625 |
| Library Worklife * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Linguistics and Language Behavior Abstracts | 424 | 543 | 886 | 1,203 | 948 | 498 | 376 | 302 | 461 | 630 | 687 | 619 | 7,577 |
| Literary Theory | 101 | 165 | 343 | 442 | 435 | 207 | 161 | 108 | 114 | 127 | 151 | 150 | 2,504 |
| Literature Online | 544 | 579 | 846 | 1,142 | 775 | 423 | 347 | 321 | 454 | 623 | 622 | 533 | 7,209 |
| Mainichi Shinbun * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Making of Modern Law: Legal Treatises 1800-1926 | 0 | 0 | 182 | 342 | 369 | 153 | 108 | 77 | 81 | 71 | 59 | 94 | 1,536 |
| Mass Media Articles Index (1984 to April 2003) # | 92 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 |
| Materials Business File | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 68 | 35 | 35 | 170 |
| Materials Research Innovation * | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Materials Science | 229 | 272 | 505 | 650 | 662 | 462 | 288 | 252 | 217 | 280 | 198 | 182 | 4,197 |
| Materials Technology * | 1 | 3 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 14 |
| Mathematica Journal * | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 6 |
| Mathematical Problems in Engineering * | 3 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 10 |
| MathSciNet | 313 | 347 | 508 | 649 | 700 | 440 | 360 | 272 | 281 | 252 | 292 | 282 | 4,696 |
| MBS ONLINE (International Statistics) | 97 | 109 | 294 | 433 | 452 | 208 | 146 | 101 | 87 | 78 | 48 | 74 | 2,127 |
| MD-Consult | 759 | 749 | 833 | 1,019 | 799 | 506 | 490 | 308 | 545 | 705 | 606 | 469 | 7,788 |
| Medianet (Penn State's Audiovisual Database) | 1,520 | 1,182 | 1,510 | 1,665 | 1,352 | 969 | 883 | 667 | 990 | 1,060 | 918 | 656 | 13,372 |
| MediaTech * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| Medical Sciences-ProQuest Nursing Journals * | 110 | 186 | 202 | 235 | 224 | 124 | 93 | 50 | 150 | 152 | 154 | 98 | 1,778 |
| Medieval Feminist Index (now Feminae:Medieval Women and Gender Index) | 130 | 167 | 489 | 723 | 767 | 355 | 269 | 150 | 114 | 119 | 87 | 113 | 3,483 |
| Medline (PubMed) | 2,005 | 2,167 | 2,136 | 2,546 | 1,310 | 1,056 | 943 | 691 | 2,723 | 2,351 | 2,027 | 1,667 | 21,622 |
| Mental Measurements Yearbook | 204 | 276 | 356 | 926 | 634 | 311 | 185 | 104 | 181 | 232 | 163 | 203 | 3,775 |
| MergentOnline (company information) | 751 | 884 | 1,016 | 1,227 | 810 | 514 | 445 | 302 | 359 | 712 | 641 | 500 | 8,161 |
| Metacritic * | 5 | 8 | 19 | 55 | 58 | 32 | 17 | 10 | 15 | 7 | 5 | 14 | 245 |
| METADEX (Metals) | 148 | 179 | 434 | 587 | 621 | 330 | 267 | 148 | 115 | 109 | 85 | 82 | 3,105 |
| MetaPress * | 312 | 336 | 567 | 515 | 465 | 243 | 212 | 157 | 186 | 215 | 163 | 153 | 3,524 |
| Meteorological and Geoastrophysical Abstracts | 86 | 141 | 347 | 468 | 460 | 257 | 178 | 122 | 102 | 114 | 121 | 111 | 2,507 |
| MicroFinder | 83 | 132 | 246 | 384 | 406 | 193 | 163 | 94 | 68 | 112 | 72 | 99 | 2,052 |
| Middle English Dictionary | 37 | 70 | 253 | 374 | 396 | 172 | 149 | 87 | 48 | 59 | 52 | 72 | 1,769 |
| Ming Pao Daily News * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mintel Reports | 253 | 342 | 478 | 738 | 546 | 301 | 210 | 213 | 200 | 487 | 362 | 284 | 4,414 |
| MIT CogNet | 178 | 193 | 338 | 592 | 696 | 354 | 195 | 142 | 144 | 142 | 97 | 118 | 3,189 |
| MIT Sloan Management Review * | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 |
| MLA International Bibliography | 1,087 | 1,355 | 1,698 | 2,314 | 1,390 | 902 | 693 | 598 | 1,274 | 1,733 | 1,873 | 1,593 | 16,510 |
| Molecular Plant-Microbe Interactions * | 1 | 3 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 10 |
| MRS Bulletin * | 1 | 5 | 4 | 1 | 3 | 3 | 1 | 2 | 4 | 3 | 2 | 0 | 29 |
| MUSE (Alumni Access) * | 0 | 0 | 5 | 34 | 36 | 106 | 137 | 82 | 82 | 66 | 72 | 55 | 675 |
| MUSE (full text journal articles) | 1,393 | 1,968 | 2,185 | 2,965 | 1,734 | 1,020 | 925 | 906 | 1,319 | 2,276 | 2,140 | 1,796 | 20,627 |
| Music Audio | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Music Cataloging Bulletin * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Music Index Online | 169 | 258 | 442 | 591 | 496 | 276 | 229 | 140 | 230 | 331 | 266 | 245 | 3,673 |
| Nanfang Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| NASA ADS (Astrophysics Data System) | 44 | 67 | 152 | 241 | 218 | 115 | 92 | 51 | 61 | 52 | 84 | 57 | 1,234 |
| NASA Technical Report Server | 77 | 107 | 280 | 458 | 449 | 242 | 183 | 123 | 93 | 100 | 97 | 81 | 2,290 |
| NASPA Journal * | 1 | 1 | 0 | 3 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 9 |
| National Journal | 197 | 238 | 457 | 682 | 737 | 380 | 274 | 177 | 346 | 335 | 339 | 230 | 4,392 |
| Nature * | 377 | 349 | 291 | 297 | 137 | 51 | 31 | 37 | 42 | 53 | 53 | 60 | 1,778 |
| Naxos Music Library * | 332 | 367 | 448 | 378 | 216 | 290 | 228 | 149 | 464 | 690 | 502 | 689 | 4,753 |
| NBER Working Paper Series * | 6 | 4 | 10 | 3 | 1 | 0 | 1 | 0 | 5 | 4 | 1 | 0 | 35 |
| netLibrary (full text e-books) | 1,403 | 1,231 | 1,317 | 1,550 | 1,066 | 784 | 676 | 591 | 1,226 | 1,888 | 1,654 | 1,242 | 14,628 |
| Networked Digital Library of Theses and Dissertations (NDLTD) * | 9 | 13 | 33 | 37 | 22 | 19 | 19 | 12 | 8 | 28 | 29 | 23 | 252 |
| New Grove Dictionary of Music and Musicians (now called Grove Music Online) | 382 | 400 | 567 | 673 | 557 | 297 | 234 | 163 | 220 | 242 | 231 | 251 | 4,217 |
| New Journal of Physics * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| New York Times Historical (1851-2003) (Digital Archive) | 1,425 | 2,301 | 1,913 | 2,024 | 1,289 | 862 | 858 | 543 | 1,378 | 2,515 | 1,608 | 1,210 | 17,926 |
| NewsBank Full Text Newspapers (America's Newspapers) | 1,250 | 1,650 | 1,658 | 2,023 | 1,629 | 1,072 | 1,040 | 688 | 1,335 | 2,172 | 1,546 | 954 | 17,017 |
| Newsbank: Electronic Image Newspapers | 0 | 0 | 299 | 457 | 459 | 233 | 185 | 253 | 336 | 365 | 234 | 265 | 3,086 |
| Newspaper Photos (AccuNet/AP Photo Archive) | 147 | 167 | 210 | 369 | 123 | 134 | 103 | 63 | 70 | 0 | 0 | 0 | 1,386 |
| Nineteenth-Century Fiction | 63 | 113 | 256 | 336 | 364 | 152 | 125 | 96 | 57 | 62 | 55 | 75 | 1,754 |
| Ninhon Keizai Shinbun * | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| NLM Gateway (National Library of Medicine) | 154 | 172 | 327 | 517 | 535 | 249 | 188 | 100 | 133 | 164 | 151 | 123 | 2,813 |
| North American Women's Letters and Diaries | 98 | 134 | 297 | 478 | 504 | 254 | 156 | 107 | 122 | 139 | 74 | 79 | 2,442 |
| NoveList (fiction) | 79 | 150 | 304 | 512 | 529 | 276 | 191 | 141 | 93 | 87 | 75 | 97 | 2,534 |
| NTIS (engineering, science and social sciences) | 281 | 374 | 610 | 939 | 968 | 679 | 417 | 278 | 414 | 337 | 273 | 229 | 5,799 |
| Nursing Databases | 322 | 407 | 465 | 504 | 441 | 220 | 198 | 111 | 329 | 367 | 341 | 209 | 3,914 |
| O'Connor/Yeager Collection * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 9 | 10 | 12 | 9 | 43 |
| Oceanic Abstracts | 52 | 95 | 336 | 462 | 510 | 234 | 186 | 121 | 76 | 87 | 54 | 64 | 2,277 |
| OCLC (FirstSearch databases) | 69 | 114 | 265 | 343 | 480 | 362 | 171 | 110 | 76 | 77 | 58 | 58 | 2,183 |
| Odum Institute's Public Opinion Poll Question Database | 53 | 61 | 225 | 292 | 336 | 133 | 107 | 77 | 44 | 51 | 26 | 37 | 1,442 |
| OED Online (Oxford English Dictionary) | 1,145 | 1,478 | 1,272 | 1,301 | 956 | 759 | 1,049 | 569 | 1,077 | 1,117 | 923 | 869 | 12,515 |
| Old English Corpus | 66 | 112 | 261 | 389 | 406 | 184 | 174 | 114 | 76 | 60 | 54 | 81 | 1,977 |
| Opposing Viewpoints Resource Center | 579 | 1,505 | 1,673 | 1,711 | 733 | 640 | 1,494 | 404 | 1,597 | 3,400 | 4,067 | 1,931 | 19,734 |
| Oral History Online | 137 | 140 | 312 | 492 | 477 | 246 | 154 | 105 | 92 | 130 | 58 | 76 | 2,419 |
| OSA (Optical Society of America) Journals * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| OT BibSys (Occupational Therapy Bibliographic System) | 68 | 98 | 266 | 384 | 435 | 192 | 136 | 85 | 79 | 94 | 105 | 95 | 2,037 |
| Oxford African American Studies Center (AASC) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 66 | 32 | 41 | 160 |
| Oxford Dictionary of National Biography | 171 | 222 | 376 | 576 | 536 | 291 | 263 | 157 | 225 | 245 | 175 | 158 | 3,395 |
| Oxford Index * | 117 | 132 | 130 | 117 | 78 | 77 | 47 | 42 | 43 | 47 | 61 | 53 | 944 |
| Oxford Reference Online | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Papers of the NAACP * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 4 |
| PapersFirst (conference papers) | 72 | 126 | 285 | 358 | 412 | 200 | 157 | 118 | 77 | 132 | 64 | 70 | 2,071 |
| Past Masters (full text philosophy books) | 205 | 235 | 371 | 607 | 611 | 320 | 227 | 225 | 165 | 228 | 181 | 186 | 3,561 |
| Patents, U.S. and Foreign | 144 | 173 | 321 | 503 | 506 | 277 | 198 | 153 | 166 | 131 | 122 | 106 | 2,800 |
| Patrologia Latina (history of Latin Christianity) | 62 | 104 | 258 | 375 | 423 | 209 | 178 | 121 | 72 | 93 | 51 | 74 | 2,020 |
| Pennsylvania Civil War Newspapers [Digital Archive] | 0 | 0 | 0 | 48 | 369 | 162 | 137 | 94 | 74 | 130 | 64 | 82 | 1,160 |
| Pennsylvania German Broadsides and Fraktur * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 8 | 12 | 10 | 39 |
| Pennsylvania History Pictorial Collections | 80 | 136 | 313 | 350 | 390 | 185 | 141 | 107 | 93 | 96 | 74 | 80 | 2,045 |
| Pennsylvania History: A Journal of Mid-Atlantic Studies * | 9 | 9 | 8 | 5 | 13 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 54 |
| People's Daily * | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 7 | 0 | 11 |
| Perception * | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 7 |
| Periodicals Archive Online | 187 | 259 | 387 | 524 | 498 | 349 | 213 | 178 | 183 | 303 | 222 | 195 | 3,498 |
| Periodicals Index Online | 146 | 223 | 344 | 445 | 413 | 229 | 181 | 132 | 128 | 166 | 135 | 142 | 2,684 |
| Philosopher's Index | 238 | 295 | 558 | 802 | 612 | 370 | 248 | 205 | 297 | 411 | 284 | 409 | 4,729 |
| Phytopathology * | 8 | 7 | 3 | 10 | 1 | 0 | 1 | 0 | 1 | 1 | 3 | 1 | 36 |
| Pike and Fischer Communications Regulations | 75 | 110 | 277 | 423 | 450 | 231 | 149 | 98 | 55 | 68 | 55 | 70 | 2,061 |
| Plant Disease * | 7 | 5 | 5 | 7 | 1 | 3 | 2 | 5 | 1 | 0 | 3 | 1 | 40 |
| Plant Management Network | 38 | 74 | 219 | 310 | 355 | 139 | 122 | 76 | 49 | 69 | 49 | 56 | 1,556 |
| Plunkett Research Online (Industry information) | 605 | 654 | 653 | 907 | 662 | 403 | 337 | 333 | 367 | 617 | 526 | 342 | 6,406 |
| PolicyFile (Public Policy Research and Analysis) | 256 | 313 | 409 | 794 | 720 | 388 | 246 | 136 | 300 | 290 | 220 | 212 | 4,284 |
| Political Handbook of the World * | 0 | 0 | 0 | 19 | 70 | 48 | 42 | 24 | 73 | 22 | 26 | 14 | 338 |
| Political Parties of the World * | 0 | 2 | 48 | 51 | 82 | 57 | 42 | 27 | 39 | 17 | 16 | 22 | 403 |
| Political Risk Yearbook | 260 | 309 | 468 | 633 | 547 | 264 | 185 | 128 | 155 | 186 | 163 | 161 | 3,459 |
| Polling the Nations | 106 | 157 | 322 | 575 | 558 | 278 | 183 | 114 | 90 | 137 | 110 | 131 | 2,761 |
| Pollution Abstracts | 82 | 135 | 400 | 582 | 596 | 265 | 219 | 117 | 84 | 110 | 75 | 82 | 2,747 |
| Polymer Composites and Polymer Engineering and Science * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 |
| PressDisplay | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Proceedings of the National Academy of Sciences * | 26 | 33 | 29 | 32 | 16 | 11 | 6 | 9 | 12 | 9 | 5 | 17 | 205 |
| ProceedingsFirst (conference papers) | 64 | 113 | 263 | 350 | 407 | 198 | 163 | 104 | 68 | 77 | 61 | 64 | 1,932 |
| Professional Development Collection (Education) | 982 | 1,155 | 1,086 | 1,243 | 944 | 636 | 491 | 259 | 760 | 1,020 | 657 | 378 | 9,611 |
| Project Euclid (mathematics journals) | 38 | 72 | 231 | 316 | 351 | 149 | 111 | 74 | 55 | 62 | 54 | 53 | 1,566 |
| ProQuest ABI (Alumni Access) * | 0 | 0 | 17 | 17 | 26 | 87 | 114 | 75 | 81 | 60 | 63 | 51 | 591 |
| ProQuest Direct (newspapers, magazines, business) | 21,338 | 33,231 | 30,886 | 36,097 | 10,957 | 9,773 | 11,417 | 5,514 | 22,331 | 39,785 | 38,980 | 23,398 | 283,707 |
| ProQuest National Newspapers | 1,229 | 2,291 | 2,072 | 2,355 | 1,076 | 851 | 934 | 602 | 1,542 | 2,890 | 2,277 | 1,461 | 19,580 |
| ProQuest National Newspapers (Alumni Access) * | 0 | 0 | 2 | 14 | 21 | 62 | 125 | 71 | 133 | 58 | 62 | 56 | 604 |
| Proquest National Newspapers and Research Library Complete * | 2 | 0 | 6 | 8 | 12 | 0 | 4 | 2 | 11 | 9 | 6 | 10 | 70 |
| ProQuest Online Research Library (Alumni Access) * | 0 | 0 | 0 | 30 | 47 | 176 | 266 | 167 | 326 | 245 | 246 | 166 | 1,669 |
| ProQuest Psychology Journals * | 1,443 | 2,315 | 2,186 | 2,406 | 1,057 | 903 | 677 | 372 | 1,662 | 2,412 | 1,989 | 1,156 | 18,578 |
| ProQuest Research Library Complete * | 138 | 356 | 191 | 341 | 236 | 114 | 104 | 70 | 199 | 365 | 366 | 130 | 2,610 |
| PsycARTICLES * | 1,344 | 1,846 | 1,833 | 2,327 | 849 | 586 | 483 | 283 | 1,161 | 1,677 | 1,720 | 1,009 | 15,118 |
| Psychology Databases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| PsycINFO | 8,333 | 11,839 | 10,509 | 12,855 | 5,988 | 5,843 | 4,113 | 3,231 | 9,252 | 14,739 | 11,985 | 7,621 | 106,308 |
| Public Administration Abstracts # | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 |
| Quarterly Journal of Ideology * | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 |
| Race Relations Abstracts # | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| RareBooks.Info | 35 | 75 | 242 | 326 | 356 | 142 | 108 | 78 | 55 | 65 | 52 | 54 | 1,588 |
| RedLightGreen * # | 15 | 28 | 53 | 74 | 44 | 38 | 35 | 16 | 14 | 12 | 10 | 11 | 350 |
| Reference Universe | 104 | 177 | 318 | 473 | 419 | 223 | 168 | 94 | 105 | 175 | 150 | 134 | 2,540 |
| Regular and Chaotic Dynamics * | 2 | 3 | 2 | 2 | 1 | 5 | 4 | 3 | 5 | 1 | 2 | 8 | 38 |
| Reuters Research On-Demand (formerly Multex) | 1,238 | 1,258 | 1,401 | 1,941 | 1,406 | 869 | 780 | 748 | 1,105 | 1,393 | 1,209 | 815 | 14,163 |
| RIA Checkpoint (Business: AICPA and FASB) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 139 | 80 | 41 | 56 | 375 |
| RIA Checkpoint (Tax) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 75 | 71 | 40 | 47 | 233 |
| RILM Abstracts (musical literature) | 116 | 160 | 345 | 498 | 483 | 272 | 188 | 149 | 174 | 248 | 159 | 160 | 2,952 |
| RIPM: Retrospective Index to Music Periodicals (1800-1950) | 41 | 69 | 262 | 352 | 391 | 188 | 131 | 97 | 54 | 58 | 62 | 59 | 1,764 |
| Risk Abstracts | 71 | 141 | 386 | 570 | 628 | 337 | 219 | 134 | 93 | 106 | 68 | 77 | 2,830 |
| RLG Cultural Material | 26 | 35 | 59 | 127 | 102 | 75 | 35 | 17 | 51 | 102 | 76 | 99 | 804 |
| RLG Union Catalog (RLIN) | 495 | 395 | 468 | 553 | 538 | 355 | 291 | 310 | 272 | 322 | 224 | 244 | 4,467 |
| Rock's Backpages | 32 | 61 | 225 | 324 | 352 | 143 | 107 | 77 | 98 | 202 | 64 | 63 | 1,748 |
| Rocky Mountain Mathematics Consortium * | 4 | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 12 |
| Roget's Thesaurus | 58 | 98 | 278 | 329 | 356 | 176 | 124 | 111 | 66 | 73 | 40 | 58 | 1,767 |
| Rotten Tomatoes * | 5 | 10 | 18 | 52 | 58 | 33 | 20 | 9 | 12 | 14 | 7 | 16 | 254 |
| Royal Society of Chemistry E-Journals | 181 | 180 | 357 | 400 | 443 | 225 | 186 | 166 | 82 | 138 | 103 | 121 | 2,582 |
| Royal Society of Chemistry Specialist Periodical Reports * | 8 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 5 | 3 | 4 | 0 | 24 |
| Russian Newspapers | 112 | 160 | 440 | 648 | 769 | 392 | 263 | 167 | 127 | 146 | 124 | 174 | 3,522 |
| Sage Full-Text Journal Collections | 470 | 762 | 790 | 990 | 697 | 431 | 295 | 256 | 390 | 439 | 504 | 400 | 6,424 |
| Science of Synthesis (Chemistry) | 83 | 138 | 497 | 606 | 696 | 327 | 241 | 156 | 109 | 161 | 103 | 77 | 3,194 |
| ScienceCareers.Org | 78 | 167 | 337 | 401 | 373 | 180 | 152 | 98 | 90 | 75 | 71 | 67 | 2,089 |
| Scientific American Archive Online * | 83 | 79 | 94 | 151 | 123 | 56 | 58 | 44 | 100 | 106 | 81 | 88 | 1,063 |
| Scientific Net Account Access * | 47 | 37 | 17 | 24 | 32 | 17 | 13 | 29 | 21 | 43 | 34 | 16 | 330 |
| SciFinder Scholar (chemistry) | 110 | 161 | 368 | 409 | 394 | 236 | 153 | 87 | 150 | 198 | 130 | 102 | 2,498 |
| Serial Set (U.S. Congressional Digital Collection 1789-1969) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 91 | 115 | 52 | 66 | 365 |
| Serial Set Maps * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 18 | 9 | 14 | 20 | 65 |
| SIAM journals (Society of Industrial and Applied Mathematics) | 40 | 73 | 237 | 302 | 382 | 157 | 134 | 88 | 61 | 58 | 47 | 66 | 1,645 |
| SIAM's Online Journal Archive (Locus) | 50 | 79 | 242 | 303 | 360 | 138 | 120 | 87 | 58 | 51 | 39 | 53 | 1,580 |
| Sing Tao Daily * | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 6 |
| SME Quarterlies * | 2 | 2 | 2 | 3 | 2 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | |