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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 2005 | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CAT - PSU Libraries Web Catalog | 123,331 | 129,177 | 120,853 | 126,133 | 73,202 | 69,819 | 67,434 | 69,368 | 147,703 | 142,363 | 133,781 | 72,108 | 1,275,272 |
| ProQuest Direct (newspapers, magazines, business) | 20,751 | 34,729 | 31,980 | 36,837 | 11,299 | 11,206 | 13,950 | 8,045 | 32,066 | 41,612 | 41,876 | 18,092 | 302,443 |
| Electronic Reserves | 11,915 | 10,644 | 8,268 | 7,654 | 3,330 | 2,488 | 2,331 | 3,299 | 19,958 | 13,174 | 9,405 | 4,917 | 97,383 |
| Web of Science | 7,435 | 6,968 | 6,996 | 6,938 | 5,197 | 4,910 | 5,359 | 5,097 | 8,527 | 7,813 | 7,465 | 5,449 | 78,154 |
| JSTOR (full text journal articles) | 5,694 | 7,497 | 6,993 | 7,917 | 3,655 | 3,140 | 2,950 | 2,797 | 6,696 | 8,337 | 8,690 | 4,930 | 69,296 |
| AAHE Bulletin * # | 1 | 0 | 1 | 4 | 2 | 1 | 17 | 2 | 4 | 0 | 0 | 0 | 32 |
| AAPG Bulletin * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Abacus * | 0 | 0 | 1 | 0 | 0 | 1 | 16 | 0 | 0 | 1 | 0 | 0 | 19 |
| ABI/INFORM (business) | 3,262 | 4,518 | 3,544 | 3,658 | 1,966 | 1,644 | 2,394 | 1,671 | 4,845 | 4,654 | 4,620 | 1,952 | 38,728 |
| ABSEES Online: American Bibliography of Slavic and East European Studies | 75 | 62 | 69 | 97 | 120 | 52 | 75 | 44 | 72 | 105 | 139 | 101 | 1,011 |
| Abstract and Applied Analysis * | 3 | 4 | 9 | 7 | 8 | 3 | 14 | 9 | 6 | 2 | 1 | 1 | 67 |
| Academic Ideal, a division of Elsevier (full text journal articles) | 1,237 | 1,399 | 1,437 | 1,387 | 946 | 943 | 833 | 610 | 870 | 1,347 | 1,039 | 624 | 12,672 |
| Academic Press' Encyclopedia of Spectroscopy and Spectrometry * | 3 | 3 | 0 | 2 | 1 | 0 | 10 | 0 | 0 | 8 | 4 | 0 | 31 |
| Access PA | 81 | 102 | 136 | 145 | 92 | 97 | 90 | 127 | 148 | 144 | 131 | 88 | 1,381 |
| Access Science (McGraw Hill Encyclopedia of Science & Technology) | 308 | 412 | 413 | 464 | 276 | 188 | 251 | 149 | 368 | 495 | 596 | 331 | 4,251 |
| Accessible Archives (18th- and 19th-century news) | 299 | 223 | 251 | 275 | 232 | 140 | 175 | 123 | 232 | 266 | 358 | 272 | 2,846 |
| AccessUN | 97 | 110 | 92 | 149 | 134 | 71 | 114 | 72 | 110 | 135 | 177 | 154 | 1,415 |
| ACM digital library (computer science) | 1,019 | 1,001 | 1,165 | 1,351 | 728 | 725 | 679 | 554 | 1,062 | 1,167 | 1,108 | 684 | 11,243 |
| ACS E-Journals (chemistry) | 1,456 | 1,469 | 1,672 | 1,574 | 1,433 | 1,315 | 1,251 | 1,101 | 1,421 | 1,511 | 1,537 | 1,055 | 16,795 |
| Acta Arithmetica * | 0 | 0 | 0 | 0 | 0 | 5 | 36 | 19 | 13 | 12 | 12 | 9 | 106 |
| Advances in Difference Equations * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Advertising Law Guide (CCH) | 106 | 98 | 61 | 143 | 111 | 48 | 77 | 57 | 88 | 107 | 152 | 127 | 1,175 |
| Aerospace Database | 270 | 289 | 246 | 289 | 326 | 214 | 213 | 148 | 411 | 406 | 470 | 309 | 3,591 |
| African American Biographical Database, 1790-1950 | 212 | 235 | 198 | 250 | 245 | 100 | 126 | 94 | 199 | 264 | 344 | 216 | 2,483 |
| African American Poetry, 1760-1900 | 96 | 113 | 70 | 109 | 132 | 54 | 77 | 46 | 76 | 95 | 142 | 118 | 1,128 |
| African Publishing Companion * | 0 | 0 | 6 | 0 | 0 | 0 | 12 | 0 | 2 | 1 | 0 | 0 | 21 |
| African Studies Companion Online | 0 | 0 | 120 | 241 | 148 | 60 | 87 | 51 | 151 | 224 | 264 | 207 | 1,553 |
| AGRICOLA (agriculture & related sciences) | 992 | 1,177 | 741 | 600 | 421 | 332 | 368 | 278 | 822 | 727 | 616 | 369 | 7,443 |
| Agropedia (agriculture encyclopedias) | 0 | 0 | 65 | 108 | 112 | 47 | 85 | 46 | 77 | 128 | 134 | 120 | 922 |
| AIAA Meeting Papers * | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 1 | 11 |
| AIAA Online Publications (aerospace engineering) | 215 | 191 | 151 | 178 | 236 | 186 | 182 | 164 | 176 | 176 | 216 | 186 | 2,257 |
| AIAA Student Journal Online * | 10 | 6 | 5 | 3 | 3 | 7 | 13 | 0 | 7 | 6 | 6 | 0 | 66 |
| AIDSearch | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 43 | 75 | 115 | 86 | 345 |
| AIP & APS E-Journals (physics) | 857 | 805 | 966 | 977 | 920 | 891 | 715 | 659 | 656 | 694 | 805 | 642 | 9,587 |
| Air University Library's Index to Military Periodicals | 45 | 44 | 50 | 55 | 75 | 38 | 53 | 32 | 20 | 53 | 97 | 84 | 646 |
| Algebraic and Geometric Topology * | 0 | 0 | 2 | 0 | 1 | 1 | 9 | 0 | 4 | 0 | 0 | 0 | 17 |
| All resource selected * | 433 | 704 | 640 | 677 | 291 | 310 | 289 | 224 | 630 | 856 | 765 | 440 | 6,259 |
| Almanac of American Politics * | 0 | 0 | 16 | 2 | 3 | 18 | 28 | 19 | 14 | 23 | 14 | 12 | 149 |
| America: History & Life | 548 | 747 | 761 | 896 | 500 | 250 | 344 | 240 | 856 | 1,274 | 1,080 | 687 | 8,183 |
| American Drama (1714-1915) | 56 | 63 | 56 | 96 | 118 | 50 | 75 | 40 | 130 | 98 | 121 | 96 | 999 |
| American Film Institute Catalog | 134 | 120 | 115 | 196 | 158 | 84 | 118 | 88 | 141 | 148 | 236 | 167 | 1,705 |
| American Geophysical Union e-journals | 0 | 0 | 0 | 0 | 65 | 111 | 130 | 78 | 71 | 95 | 129 | 118 | 797 |
| American Hospital Directory * # | 7 | 11 | 6 | 8 | 11 | 9 | 17 | 11 | 4 | 0 | 0 | 0 | 84 |
| American Journal of Clinical Pathology * | 1 | 0 | 2 | 2 | 0 | 1 | 10 | 2 | 2 | 2 | 2 | 3 | 27 |
| American Journal of Economics and Sociology * | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 8 |
| American Mathematical Society (full text journal articles) | 88 | 77 | 79 | 91 | 132 | 62 | 86 | 66 | 70 | 74 | 111 | 93 | 1,029 |
| American Medical Association Publications * | 0 | 0 | 0 | 0 | 0 | 0 | 87 | 41 | 87 | 85 | 64 | 25 | 389 |
| American National Biography Online | 119 | 146 | 179 | 170 | 161 | 76 | 136 | 93 | 327 | 284 | 308 | 216 | 2,215 |
| American Periodicals Series, 1740-1900 | 248 | 236 | 265 | 296 | 351 | 223 | 255 | 191 | 478 | 428 | 517 | 407 | 3,895 |
| American Poetry Database | 83 | 117 | 105 | 136 | 136 | 94 | 84 | 48 | 82 | 164 | 148 | 134 | 1,331 |
| AMICO Library (images from art museums) - Site Access # | 90 | 187 | 161 | 98 | 61 | 39 | 1 | 0 | 0 | 0 | 0 | 0 | 637 |
| AMS E-Journals (meteorology) | 104 | 90 | 120 | 151 | 208 | 132 | 140 | 109 | 106 | 138 | 210 | 181 | 1,689 |
| Annales Geophysicae * | 0 | 0 | 2 | 0 | 0 | 4 | 12 | 1 | 4 | 1 | 1 | 2 | 27 |
| Annales Mathematici Polinici * | 0 | 0 | 0 | 0 | 0 | 6 | 28 | 13 | 9 | 11 | 11 | 9 | 87 |
| Annee-philologique | 90 | 92 | 66 | 108 | 174 | 69 | 77 | 75 | 90 | 86 | 147 | 132 | 1,206 |
| Annual Bibliography of English Language and Literature | 83 | 72 | 87 | 112 | 125 | 37 | 68 | 37 | 80 | 110 | 153 | 118 | 1,082 |
| Annual Of the Association of American Geographers * | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 8 |
| Annual Reviews | 198 | 203 | 224 | 246 | 242 | 188 | 150 | 119 | 173 | 239 | 244 | 247 | 2,473 |
| Anthropological Index Online * # | 41 | 51 | 59 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 160 |
| Anthropology Plus | 252 | 294 | 342 | 694 | 268 | 149 | 192 | 134 | 237 | 522 | 462 | 269 | 3,815 |
| AnthroSource | 0 | 0 | 0 | 0 | 0 | 48 | 94 | 77 | 117 | 224 | 267 | 194 | 1,021 |
| Antipode * | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 12 |
| Applied Mathematics Research eXpress * | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 |
| Applied Psychology * | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 1 | 0 | 0 | 10 |
| Applied Rheology * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 17 |
| Applied Science and Technology Abstracts | 348 | 425 | 300 | 321 | 291 | 253 | 252 | 143 | 506 | 446 | 471 | 242 | 3,998 |
| Aquatic Science and Fisheries Abstracts | 276 | 407 | 321 | 316 | 333 | 225 | 237 | 205 | 246 | 282 | 401 | 276 | 3,525 |
| Archival Resources | 135 | 125 | 110 | 143 | 171 | 86 | 119 | 84 | 139 | 200 | 243 | 179 | 1,734 |
| ArchivesUSA (manuscript collections) | 106 | 97 | 95 | 127 | 159 | 57 | 98 | 74 | 104 | 135 | 185 | 152 | 1,389 |
| Armed Conflict Database | 0 | 0 | 0 | 62 | 95 | 53 | 127 | 66 | 72 | 123 | 169 | 161 | 928 |
| Art Abstracts | 277 | 344 | 323 | 409 | 278 | 131 | 148 | 141 | 406 | 569 | 459 | 277 | 3,762 |
| Art and Archaeology Technical Abstracts | 112 | 82 | 91 | 141 | 160 | 74 | 100 | 73 | 78 | 172 | 201 | 156 | 1,440 |
| Art History Department Visual Resource Selections * | 0 | 0 | 0 | 0 | 68 | 76 | 93 | 111 | 121 | 120 | 123 | 86 | 798 |
| Art Index Retrospective | 197 | 251 | 225 | 298 | 237 | 135 | 131 | 144 | 262 | 351 | 504 | 248 | 2,983 |
| Art, Architecture and Landscape Pictures Public Site * | 43 | 39 | 29 | 40 | 38 | 21 | 34 | 22 | 29 | 30 | 40 | 37 | 402 |
| Art, Architecture, and Landscape Pictures | 226 | 191 | 227 | 279 | 208 | 101 | 138 | 123 | 256 | 310 | 332 | 215 | 2,606 |
| ARTbibliographies Modern | 154 | 167 | 136 | 225 | 205 | 88 | 106 | 110 | 203 | 257 | 259 | 191 | 2,101 |
| ARTFL (French literature) | 94 | 89 | 91 | 138 | 161 | 70 | 97 | 72 | 76 | 121 | 153 | 152 | 1,314 |
| ARTstor (pictures of art, architecture, and visual culture) * | 153 | 306 | 212 | 208 | 91 | 69 | 77 | 144 | 254 | 317 | 262 | 175 | 2,268 |
| ASAE Tech Library | 106 | 96 | 78 | 91 | 141 | 69 | 89 | 69 | 113 | 143 | 136 | 123 | 1,254 |
| Asahi Shinbun * | 1 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 1 | 0 | 13 |
| ASCE Research Library | 175 | 169 | 181 | 192 | 196 | 134 | 133 | 101 | 230 | 199 | 250 | 163 | 2,123 |
| ASM Handbooks Online | 0 | 0 | 0 | 0 | 0 | 32 | 89 | 54 | 52 | 84 | 128 | 125 | 564 |
| ASME Online Journals (mechanical engineering) | 148 | 104 | 96 | 108 | 179 | 106 | 89 | 63 | 97 | 152 | 152 | 133 | 1,427 |
| Associations Unlimited | 168 | 150 | 165 | 241 | 178 | 97 | 140 | 92 | 259 | 186 | 292 | 199 | 2,167 |
| Avery (architecture) | 482 | 555 | 367 | 356 | 187 | 126 | 161 | 121 | 662 | 827 | 669 | 287 | 4,800 |
| Baywood Titles * | 15 | 34 | 20 | 24 | 10 | 16 | 25 | 8 | 11 | 13 | 8 | 4 | 188 |
| Beilstein/Gmelin (Chemistry) | 47 | 49 | 54 | 78 | 73 | 42 | 81 | 34 | 35 | 66 | 120 | 107 | 786 |
| Berkeley Electronic Press Journals * | 18 | 29 | 34 | 25 | 26 | 33 | 25 | 3 | 8 | 10 | 14 | 13 | 238 |
| Bibl. of the History of Art | 222 | 245 | 373 | 475 | 248 | 128 | 146 | 168 | 229 | 385 | 672 | 299 | 3,590 |
| Bible in English | 91 | 99 | 117 | 144 | 147 | 73 | 100 | 57 | 87 | 124 | 156 | 126 | 1,321 |
| Bibliography of Asian Studies | 103 | 152 | 114 | 175 | 169 | 77 | 100 | 77 | 170 | 176 | 223 | 194 | 1,730 |
| Big Ten Library Catalogs | 53 | 55 | 56 | 70 | 37 | 25 | 53 | 27 | 43 | 75 | 112 | 66 | 672 |
| Biochemical Journal * | 7 | 10 | 10 | 8 | 6 | 5 | 16 | 5 | 12 | 11 | 8 | 2 | 100 |
| Biography and Genealogy Master Index (BGMI) | 208 | 293 | 328 | 366 | 246 | 143 | 183 | 166 | 297 | 394 | 377 | 254 | 3,255 |
| Biological Abstracts | 856 | 1,480 | 1,257 | 1,256 | 471 | 421 | 594 | 389 | 994 | 1,677 | 1,312 | 592 | 11,299 |
| Biological and Agricultural Index | 409 | 683 | 461 | 576 | 287 | 184 | 234 | 148 | 514 | 695 | 530 | 282 | 5,003 |
| BioOne * | 202 | 212 | 196 | 164 | 104 | 139 | 90 | 39 | 109 | 116 | 97 | 59 | 1,527 |
| Black Drama | 60 | 58 | 46 | 79 | 108 | 36 | 64 | 38 | 234 | 177 | 153 | 114 | 1,167 |
| Blackwell Science/Blackwell Publishing Journals | 1,748 | 2,129 | 2,104 | 1,888 | 1,367 | 1,392 | 1,190 | 808 | 1,186 | 1,254 | 1,215 | 877 | 17,158 |
| BNA Criminal Law Reporter | 85 | 67 | 68 | 113 | 105 | 51 | 90 | 45 | 66 | 107 | 135 | 125 | 1,057 |
| BNA Environment Reporter | 57 | 73 | 55 | 84 | 107 | 45 | 65 | 44 | 42 | 80 | 119 | 109 | 880 |
| BNA Family Law Reporter | 57 | 52 | 42 | 74 | 100 | 43 | 70 | 40 | 42 | 87 | 97 | 101 | 805 |
| BNA Health Law Reporter | 63 | 53 | 51 | 93 | 104 | 41 | 79 | 44 | 52 | 86 | 133 | 109 | 908 |
| BNA Labor and Employment Library | 105 | 89 | 83 | 118 | 133 | 75 | 220 | 106 | 161 | 240 | 160 | 144 | 1,634 |
| Books in Print # | 113 | 95 | 104 | 113 | 94 | 69 | 52 | 0 | 0 | 0 | 0 | 0 | 640 |
| Brown Women Writers Project | 89 | 77 | 107 | 108 | 142 | 65 | 75 | 53 | 61 | 84 | 138 | 114 | 1,113 |
| Business Cycle Indicators - U.S. Indicators | 164 | 201 | 121 | 211 | 188 | 94 | 115 | 82 | 256 | 243 | 292 | 167 | 2,134 |
| CAB Abstracts (Agriculture, nutrition and global health) | 463 | 543 | 423 | 388 | 340 | 234 | 243 | 215 | 778 | 603 | 557 | 309 | 5,096 |
| CALIBER - Journals of the University of California Press * | 48 | 64 | 45 | 35 | 13 | 36 | 24 | 9 | 28 | 28 | 27 | 5 | 362 |
| Cambridge University Press - Electronic Journals | 551 | 621 | 573 | 596 | 428 | 424 | 430 | 272 | 412 | 434 | 443 | 295 | 5,479 |
| CAMIO (Catalog of Art Museum Images Online) * | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 16 | 42 | 25 | 9 | 16 | 129 |
| CAMIO (Catalog of Art Museum Images Online) | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 51 | 48 | 77 | 103 | 123 | 446 |
| Canadian Journal of Forest Research * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 1 | 8 |
| Canadian Journal of Plant Pathology * | 5 | 3 | 8 | 1 | 2 | 4 | 14 | 0 | 1 | 4 | 15 | 4 | 61 |
| Canadian Journal of Zoology * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 4 |
| Canadian Poetry | 64 | 54 | 47 | 80 | 125 | 55 | 72 | 51 | 45 | 69 | 112 | 90 | 864 |
| Cancer Research * | 22 | 16 | 13 | 12 | 12 | 16 | 15 | 8 | 5 | 27 | 15 | 6 | 167 |
| Cancer Watch Online * # | 0 | 0 | 2 | 1 | 0 | 0 | 11 | 0 | 2 | 0 | 0 | 0 | 16 |
| CAT - PSU Libraries Web Catalog | 123,331 | 129,177 | 120,853 | 126,133 | 73,202 | 69,819 | 67,434 | 69,368 | 147,703 | 142,363 | 133,781 | 72,108 | 1,275,272 |
| CatchWord * | 1,078 | 1,163 | 1,071 | 1,174 | 822 | 1,108 | 670 | 469 | 645 | 600 | 589 | 377 | 9,766 |
| CCH Tax Research Network | 403 | 266 | 237 | 211 | 160 | 73 | 101 | 96 | 204 | 139 | 183 | 140 | 2,213 |
| CenStats | 92 | 91 | 94 | 93 | 108 | 63 | 95 | 54 | 82 | 114 | 159 | 131 | 1,176 |
| Center for Research Libraries | 73 | 90 | 88 | 123 | 138 | 60 | 94 | 58 | 86 | 131 | 184 | 134 | 1,259 |
| Central Daily News * | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 1 | 0 | 15 |
| Centre Daily Times (1996 - present) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Centre Daily Times Index (1981-2002) | 119 | 121 | 115 | 121 | 130 | 121 | 153 | 90 | 101 | 131 | 180 | 145 | 1,527 |
| Ceramic Abstracts | 77 | 82 | 65 | 98 | 169 | 76 | 102 | 75 | 60 | 86 | 143 | 131 | 1,164 |
| Chemical Abstracts | 106 | 103 | 152 | 146 | 104 | 88 | 92 | 82 | 90 | 152 | 173 | 120 | 1,408 |
| Chemical and Engineering News Online * | 13 | 1 | 1 | 2 | 0 | 1 | 14 | 0 | 1 | 2 | 1 | 1 | 37 |
| CHEMnetBASE(chemistry, physics, polymers) | 193 | 264 | 309 | 362 | 224 | 163 | 247 | 119 | 211 | 276 | 389 | 243 | 3,000 |
| Child Abuse, Child Welfare & Adoption | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 72 | 164 | 175 | 108 | 558 |
| Children's Literature Comprehensive Database | 532 | 1,471 | 1,813 | 1,923 | 450 | 428 | 225 | 131 | 1,315 | 2,178 | 1,568 | 902 | 12,936 |
| China Academic Journals (Full text Chinese journal articles) | 127 | 139 | 89 | 141 | 147 | 62 | 86 | 67 | 77 | 144 | 159 | 139 | 1,377 |
| China Times * | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 3 | 1 | 0 | 0 | 16 |
| ChoiceReviews online * | 169 | 164 | 156 | 216 | 178 | 101 | 141 | 112 | 151 | 236 | 258 | 222 | 2,104 |
| Chosun Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 2 | 0 | 0 | 0 | 15 |
| Chronicle of Higher Education | 462 | 443 | 449 | 431 | 383 | 334 | 405 | 403 | 588 | 649 | 632 | 381 | 5,560 |
| CIAO (International Affairs) | 120 | 122 | 138 | 185 | 161 | 65 | 121 | 83 | 341 | 295 | 267 | 205 | 2,103 |
| CINAHL (nursing & allied health) | 802 | 1,243 | 1,034 | 937 | 473 | 446 | 626 | 267 | 1,488 | 1,137 | 1,159 | 383 | 9,995 |
| Civil War Letters and Diaries (U.S.Civil War) | 124 | 121 | 100 | 133 | 163 | 76 | 95 | 66 | 94 | 145 | 168 | 153 | 1,438 |
| Classical Music Service * | 224 | 212 | 185 | 209 | 196 | 105 | 292 | 213 | 346 | 226 | 287 | 175 | 2,670 |
| Clinical Cancer Research * | 7 | 8 | 7 | 5 | 7 | 7 | 11 | 1 | 7 | 2 | 2 | 1 | 65 |
| Clinical Kinesiology * | 4 | 15 | 2 | 1 | 1 | 2 | 11 | 0 | 1 | 6 | 0 | 1 | 44 |
| Columbia Gazetteer of the World Online | 68 | 69 | 90 | 116 | 132 | 65 | 85 | 58 | 83 | 109 | 122 | 116 | 1,113 |
| Communication Abstracts | 112 | 174 | 146 | 280 | 52 | 86 | 68 | 69 | 269 | 205 | 334 | 102 | 1,897 |
| Communications & Mass Media Index (CMMI) | 1,026 | 1,935 | 1,189 | 1,764 | 561 | 475 | 536 | 401 | 1,592 | 1,922 | 2,579 | 1,096 | 15,076 |
| Communications in Pure and Applied Analysis * | 0 | 6 | 0 | 3 | 1 | 2 | 10 | 0 | 3 | 1 | 1 | 0 | 27 |
| Community of Science | 111 | 118 | 111 | 137 | 145 | 76 | 87 | 57 | 82 | 133 | 174 | 94 | 1,325 |
| Compendex (engineering) | 2,584 | 2,874 | 2,722 | 2,682 | 1,999 | 2,235 | 1,823 | 1,702 | 3,065 | 2,885 | 2,700 | 1,894 | 29,165 |
| Computer Manuals On-line (Safari) | 813 | 790 | 860 | 801 | 750 | 762 | 720 | 754 | 1,039 | 1,081 | 941 | 598 | 9,909 |
| Conference Board's Research Online Collection (business, economics) | 79 | 96 | 85 | 129 | 144 | 55 | 81 | 52 | 69 | 104 | 148 | 112 | 1,154 |
| Conference Papers Index | 83 | 69 | 63 | 110 | 151 | 66 | 83 | 50 | 62 | 99 | 150 | 127 | 1,113 |
| Congress Collection (CQ) | 100 | 100 | 120 | 139 | 121 | 59 | 86 | 62 | 79 | 155 | 210 | 147 | 1,378 |
| Congress Daily * | 0 | 0 | 1 | 0 | 0 | 0 | 13 | 0 | 3 | 0 | 1 | 0 | 18 |
| Congressional Research Service Reports (Gallerywatch) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 117 | 140 | 257 |
| Congressional/Legislative Resources (1789-to date) | 529 | 144 | 148 | 155 | 172 | 93 | 111 | 94 | 143 | 153 | 213 | 158 | 2,113 |
| Consumer Health (Medline plus) | 244 | 428 | 370 | 366 | 215 | 164 | 164 | 87 | 230 | 278 | 302 | 176 | 3,024 |
| Contemporary Authors | 170 | 244 | 356 | 388 | 237 | 143 | 151 | 124 | 462 | 454 | 461 | 282 | 3,472 |
| Contemporary Literary Criticism Select | 158 | 245 | 359 | 451 | 237 | 111 | 126 | 107 | 298 | 359 | 462 | 290 | 3,203 |
| Contemporary Women's Issues | 189 | 456 | 281 | 282 | 180 | 100 | 119 | 91 | 232 | 313 | 392 | 270 | 2,905 |
| Corpus of Middle English Prose and Verse | 40 | 24 | 23 | 55 | 84 | 30 | 49 | 30 | 27 | 45 | 79 | 67 | 553 |
| Corrosion Abstracts | 60 | 52 | 40 | 92 | 133 | 54 | 70 | 50 | 32 | 65 | 121 | 95 | 864 |
| Corrosion Journal Online * | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | 0 | 0 | 0 | 0 | 14 |
| CQ Electronic Library | 0 | 0 | 0 | 176 | 174 | 91 | 144 | 74 | 127 | 274 | 338 | 182 | 1,580 |
| CQ Researcher (contemporary issues) | 1,477 | 2,970 | 2,254 | 2,256 | 1,073 | 713 | 1,777 | 427 | 2,679 | 3,080 | 3,351 | 1,132 | 23,189 |
| CQ Voting and Elections Collection | 98 | 82 | 93 | 156 | 214 | 60 | 122 | 56 | 59 | 122 | 134 | 108 | 1,304 |
| CQ Weekly Reports (Congressional Quarterly) | 144 | 126 | 133 | 161 | 146 | 75 | 102 | 75 | 102 | 151 | 185 | 162 | 1,562 |
| Criminal Justice Abstracts | 530 | 867 | 1,004 | 558 | 317 | 236 | 210 | 161 | 630 | 1,104 | 737 | 578 | 6,932 |
| Criminal Justice:National Criminal Justice Reference Service (NCJRS) | 400 | 590 | 515 | 447 | 271 | 135 | 218 | 111 | 424 | 604 | 474 | 356 | 4,545 |
| Crystallography Journals Online * | 6 | 8 | 9 | 16 | 24 | 25 | 27 | 15 | 11 | 10 | 9 | 7 | 167 |
| CURL Union Catalogue (Great Britain and Ireland Library Holdings) # | 41 | 22 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 94 |
| Current Citations (now TOC Premier) | 118 | 111 | 79 | 171 | 196 | 75 | 131 | 85 | 80 | 150 | 146 | 157 | 1,499 |
| Current Contents (recent journal contents) # | 129 | 103 | 93 | 96 | 93 | 72 | 99 | 61 | 0 | 0 | 0 | 0 | 746 |
| Current Index to (mathematical) Statistics * | 42 | 54 | 43 | 72 | 97 | 30 | 74 | 27 | 40 | 65 | 60 | 72 | 676 |
| Current Issues in Tourism * | 0 | 4 | 0 | 4 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 17 |
| CyberPsychology and Behavior * | 1 | 3 | 16 | 17 | 2 | 2 | 11 | 1 | 9 | 10 | 2 | 7 | 81 |
| Daily Collegian (1887-1955) (Digital Archive) | 150 | 128 | 172 | 162 | 115 | 133 | 209 | 112 | 125 | 150 | 148 | 147 | 1,751 |
| Daily Collegian (1988 - present) | 91 | 136 | 93 | 124 | 92 | 60 | 118 | 56 | 87 | 117 | 103 | 88 | 1,165 |
| Database of Twentieth Century African American Poetry | 68 | 57 | 57 | 86 | 127 | 53 | 68 | 41 | 36 | 71 | 52 | 65 | 781 |
| Datasets for Research | 129 | 134 | 143 | 173 | 101 | 71 | 99 | 54 | 129 | 170 | 177 | 127 | 1,507 |
| de Gruyter Online Journals * | 17 | 25 | 15 | 11 | 19 | 9 | 26 | 8 | 23 | 11 | 26 | 10 | 200 |
| Declassified Documents Reference System | 64 | 53 | 82 | 73 | 107 | 35 | 56 | 29 | 34 | 84 | 70 | 57 | 744 |
| Deutsche Bibliothek Database (Library Holdings in Germany) # | 50 | 31 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 110 |
| Dickinson School of Law Library Catalog | 49 | 54 | 51 | 68 | 71 | 34 | 64 | 31 | 42 | 56 | 65 | 56 | 641 |
| Dictionary of Art (an illustrated encyclopedia of Art) | 300 | 303 | 236 | 326 | 252 | 121 | 148 | 135 | 407 | 447 | 486 | 468 | 3,629 |
| Dictionary of Literary Biography | 194 | 375 | 574 | 249 | 201 | 158 | 195 | 180 | 274 | 300 | 371 | 215 | 3,286 |
| Dictionary of Substances and their Effects Database * | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 0 | 2 | 0 | 0 | 0 | 13 |
| Digital Library Classic Protestant Texts | 61 | 45 | 49 | 77 | 121 | 59 | 69 | 37 | 40 | 66 | 55 | 41 | 720 |
| Digital Music Library * | 685 | 519 | 638 | 448 | 213 | 109 | 230 | 121 | 19 | 9 | 13 | 10 | 3,014 |
| Directory of Open Access Journals | 40 | 57 | 79 | 75 | 82 | 43 | 60 | 38 | 72 | 104 | 91 | 45 | 786 |
| Discrete and Continuous Dynamical Systems - Series A * | 1 | 2 | 2 | 0 | 0 | 0 | 10 | 0 | 1 | 2 | 0 | 1 | 19 |
| Discrete and Continuous Dynamical Systems - Series B * | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 2 | 1 | 2 | 2 | 15 |
| Discrete Dynamics in Nature and Society * | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 2 | 1 | 1 | 9 |
| Dissertation Abstracts | 774 | 944 | 907 | 820 | 786 | 621 | 629 | 566 | 891 | 911 | 837 | 550 | 9,236 |
| DOE Information Bridge (technical reports) | 66 | 105 | 83 | 101 | 131 | 49 | 93 | 45 | 67 | 86 | 105 | 96 | 1,027 |
| Dow Jones (now Factiva) | 1,863 | 2,516 | 1,942 | 2,221 | 1,482 | 1,187 | 1,194 | 992 | 2,274 | 2,353 | 2,053 | 1,226 | 21,303 |
| Duke Mathematical Journal * | 5 | 15 | 12 | 7 | 14 | 8 | 22 | 7 | 2 | 9 | 4 | 9 | 114 |
| DYABOLA | 57 | 49 | 53 | 83 | 131 | 59 | 80 | 58 | 50 | 86 | 103 | 84 | 893 |
| E-Journal Title Search | 736 | 976 | 800 | 736 | 425 | 435 | 453 | 296 | 574 | 622 | 691 | 308 | 7,052 |
| E-STAT (Canadian Statistics) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 31 | 42 | 79 |
| E-ZBorrow(PALCI) | 1,019 | 869 | 956 | 133 | 89 | 84 | 64 | 27 | 37 | 41 | 50 | 43 | 3,412 |
| Early American Fiction 1789-1875 | 42 | 63 | 77 | 100 | 144 | 66 | 85 | 58 | 107 | 127 | 81 | 73 | 1,023 |
| Early American Imprints Series I. Evans (1639-1800) | 93 | 112 | 115 | 145 | 174 | 99 | 109 | 102 | 134 | 128 | 230 | 154 | 1,595 |
| Early American Imprints Text Creation Partnership | 0 | 19 | 26 | 63 | 99 | 34 | 62 | 28 | 25 | 50 | 42 | 41 | 489 |
| Early American Newspapers, 1690-1876 | 0 | 0 | 0 | 0 | 0 | 79 | 119 | 108 | 147 | 226 | 243 | 170 | 1,092 |
| Early English Books Online (EEBO) | 220 | 316 | 241 | 281 | 285 | 223 | 182 | 209 | 501 | 338 | 348 | 372 | 3,516 |
| Early english books online - text creation partnership | 40 | 37 | 30 | 72 | 102 | 37 | 54 | 36 | 41 | 61 | 50 | 67 | 627 |
| Early English Prose Fiction (1500-1700) | 39 | 30 | 28 | 72 | 101 | 28 | 63 | 31 | 34 | 54 | 44 | 53 | 577 |
| Earthscape (earth and environmental sciences) | 132 | 353 | 230 | 395 | 173 | 111 | 125 | 86 | 205 | 246 | 230 | 164 | 2,450 |
| Ebsco Host Databases | 0 | 0 | 0 | 67 | 300 | 438 | 536 | 259 | 816 | 1,183 | 1,208 | 607 | 5,414 |
| EconLit (economics) | 443 | 574 | 510 | 675 | 442 | 324 | 374 | 302 | 593 | 635 | 728 | 514 | 6,114 |
| Economic Geography * | 0 | 0 | 4 | 2 | 2 | 1 | 10 | 1 | 0 | 1 | 1 | 0 | 22 |
| Economist Intelligence Unit (business intelligence) # | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 |
| Editions and Adaptations of Shakespeare | 34 | 36 | 34 | 65 | 111 | 33 | 64 | 28 | 38 | 43 | 46 | 56 | 588 |
| EDP Sciences * | 28 | 16 | 38 | 24 | 25 | 23 | 23 | 4 | 16 | 7 | 8 | 7 | 219 |
| EDRS | 1 | 6 | 6 | 1 | 2 | 1 | 10 | 1 | 3 | 1 | 0 | 0 | 32 |
| Education Abstracts Full Text [Wilson] | 1,828 | 2,656 | 2,181 | 1,741 | 902 | 1,343 | 1,539 | 698 | 2,408 | 2,332 | 1,622 | 757 | 20,007 |
| Education Complete (Proquest) | 34 | 32 | 27 | 37 | 33 | 20 | 30 | 22 | 28 | 26 | 24 | 15 | 328 |
| Education Databases [including ERIC] | 1,140 | 1,604 | 1,301 | 1,140 | 627 | 719 | 836 | 503 | 1,673 | 1,340 | 1,038 | 585 | 12,506 |
| Educational Administration Abstracts * | 0 | 0 | 0 | 1 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 13 |
| Educator's Reference Desk * | 247 | 301 | 195 | 184 | 87 | 143 | 151 | 57 | 238 | 235 | 149 | 57 | 2,044 |
| Eighteenth Century Collections Online (ECCO) | 144 | 198 | 238 | 406 | 260 | 168 | 130 | 197 | 215 | 193 | 250 | 235 | 2,634 |
| Eighteenth Century Fiction | 66 | 58 | 39 | 95 | 119 | 41 | 69 | 42 | 61 | 63 | 47 | 47 | 747 |
| Electrochemical and Solid State Letters * | 0 | 0 | 1 | 3 | 0 | 0 | 10 | 1 | 0 | 0 | 0 | 0 | 15 |
| Electronic Reserves | 11,915 | 10,644 | 8,268 | 7,654 | 3,330 | 2,488 | 2,331 | 3,299 | 19,958 | 13,174 | 9,405 | 4,917 | 97,383 |
| Electronic Reserves - Other Libraries Page * | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 9 |
| Electronic Theses and Dissertations | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 60 | 60 |
| Elsevier ScienceDirect (full text journal articles) | 1,585 | 1,721 | 1,828 | 1,857 | 1,442 | 1,400 | 1,167 | 1,100 | 1,409 | 1,721 | 1,558 | 1,173 | 17,961 |
| Elsevier ScienceDirect Web Editions (full text journal articles) * | 3,000 | 3,543 | 3,203 | 3,051 | 2,311 | 2,959 | 2,042 | 1,496 | 2,123 | 2,293 | 2,095 | 1,402 | 29,518 |
| Empire Online, 1492-1969 | 57 | 67 | 76 | 101 | 128 | 53 | 80 | 55 | 61 | 96 | 124 | 126 | 1,024 |
| Encyclopaedia Britannica | 674 | 1,236 | 890 | 998 | 460 | 330 | 426 | 267 | 966 | 1,047 | 1,048 | 584 | 8,926 |
| Encyclopedia of Agricultural, Food, and Biological Engineering * | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 1 | 0 | 0 | 10 |
| Encyclopedia of Animal Science * | 0 | 0 | 1 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 12 |
| Encyclopedia of Distance Learning * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 57 | 6 | 1 | 0 | 64 |
| Encyclopedia of Forest Science * | 24 | 23 | 28 | 35 | 33 | 27 | 38 | 22 | 31 | 36 | 32 | 31 | 360 |
| Encyclopedia of Genetics * | 22 | 23 | 49 | 51 | 32 | 36 | 60 | 37 | 65 | 208 | 78 | 61 | 722 |
| Encyclopedia of Life Sciences | 130 | 203 | 203 | 227 | 181 | 90 | 177 | 91 | 198 | 380 | 350 | 182 | 2,412 |
| Encyclopedia of Pest Management * | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 11 |
| Encyclopedia of Plant and Crop Science * | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 11 |
| Encyclopedia of Soil Science * | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 9 |
| Encyclopedia of Water Science * | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 11 |
| Energy Citations Database (nuclear, fossil fuels, renewable, etc.) | 84 | 170 | 122 | 124 | 115 | 77 | 112 | 59 | 87 | 146 | 167 | 113 | 1,376 |
| Engineered Materials Abstracts | 126 | 129 | 96 | 122 | 189 | 109 | 113 | 52 | 148 | 157 | 100 | 79 | 1,420 |
| English Drama (1280-1915) | 95 | 96 | 109 | 148 | 152 | 62 | 84 | 69 | 122 | 116 | 96 | 84 | 1,233 |
| English Poetry, Second Edition | 108 | 130 | 102 | 141 | 154 | 71 | 85 | 73 | 64 | 109 | 91 | 88 | 1,216 |
| English Short Title Catalogue (with locations) | 82 | 61 | 78 | 107 | 133 | 89 | 77 | 74 | 85 | 131 | 99 | 100 | 1,116 |
| ENGnetBASE(engineering handbooks) | 130 | 129 | 143 | 162 | 194 | 160 | 126 | 103 | 177 | 171 | 176 | 151 | 1,822 |
| Environment and Planning * | 18 | 21 | 17 | 32 | 20 | 22 | 30 | 16 | 13 | 11 | 17 | 24 | 241 |
| Environmental Sciences and Pollution Management | 464 | 712 | 607 | 749 | 364 | 207 | 263 | 196 | 524 | 594 | 588 | 292 | 5,560 |
| ERIC Databases (Educational Resources Information Center) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ERIC Digest | 325 | 464 | 339 | 359 | 156 | 252 | 235 | 98 | 421 | 373 | 232 | 104 | 3,358 |
| ERIC Search Page * | 614 | 965 | 826 | 798 | 285 | 489 | 565 | 254 | 947 | 946 | 719 | 335 | 7,743 |
| ERIC via CSA * | 0 | 1,545 | 3,129 | 2,825 | 1,550 | 1,740 | 1,864 | 1,191 | 3,564 | 3,178 | 2,692 | 1,408 | 24,686 |
| ERL Databases | 204 | 110 | 148 | 186 | 111 | 72 | 82 | 55 | 81 | 116 | 90 | 54 | 1,309 |
| Ethnic NewsWatch | 153 | 198 | 183 | 296 | 203 | 112 | 140 | 120 | 202 | 245 | 228 | 184 | 2,264 |
| European Union Databases * # | 18 | 9 | 12 | 8 | 8 | 5 | 18 | 8 | 19 | 12 | 12 | 10 | 139 |
| Evolutionary Ecology Research * | 1 | 3 | 6 | 3 | 0 | 2 | 10 | 2 | 2 | 1 | 1 | 4 | 35 |
| Extenza * | 32 | 25 | 54 | 40 | 21 | 26 | 28 | 4 | 8 | 10 | 20 | 8 | 276 |
| Family Studies Abstracts | 88 | 103 | 146 | 123 | 42 | 37 | 60 | 36 | 118 | 197 | 109 | 38 | 1,097 |
| Fast Stats - International Statistics * | 7 | 9 | 12 | 8 | 5 | 4 | 22 | 7 | 10 | 10 | 8 | 11 | 113 |
| Fast Stats - Pennsylvania Web Page * | 9 | 9 | 19 | 6 | 6 | 5 | 19 | 5 | 14 | 9 | 10 | 6 | 117 |
| Fast Stats - US Web Page * | 7 | 11 | 21 | 10 | 9 | 6 | 20 | 10 | 10 | 13 | 12 | 10 | 139 |
| FBIS (Foreign Broadcast Information Service) | 33 | 27 | 29 | 64 | 88 | 22 | 52 | 25 | 23 | 47 | 36 | 44 | 490 |
| Federal R&D Project Summaries (grants) | 20 | 21 | 28 | 37 | 60 | 24 | 53 | 24 | 20 | 43 | 26 | 29 | 385 |
| FIAF International FilmArchive Database | 103 | 82 | 85 | 139 | 140 | 57 | 92 | 52 | 87 | 117 | 152 | 131 | 1,237 |
| Film Literature Index | 20 | 110 | 145 | 247 | 160 | 55 | 112 | 81 | 227 | 266 | 309 | 192 | 1,924 |
| Final Exam Schedules for University Park | 42 | 63 | 51 | 65 | 63 | 26 | 62 | 28 | 46 | 77 | 63 | 56 | 642 |
| First Break * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 3 |
| Fixed Point Theory and Applications * | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 10 |
| Food Science and Technology Abstracts | 254 | 228 | 254 | 263 | 200 | 134 | 129 | 150 | 441 | 295 | 340 | 206 | 2,894 |
| Fundamenta Mathematicae * | 0 | 0 | 0 | 0 | 0 | 17 | 32 | 12 | 10 | 12 | 12 | 10 | 105 |
| Gale Virtual Reference Library | 78 | 194 | 148 | 172 | 261 | 207 | 237 | 172 | 322 | 699 | 599 | 262 | 3,351 |
| Gallerywatch (Federal Budget and Bill Tracking) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 80 | 80 |
| Gallup Brain | 56 | 135 | 90 | 95 | 122 | 68 | 95 | 52 | 66 | 175 | 155 | 115 | 1,224 |
| GDF Online (Global Development Finance Online) | 60 | 51 | 60 | 106 | 121 | 48 | 73 | 38 | 48 | 72 | 80 | 64 | 821 |
| Gender Watch | 231 | 385 | 346 | 374 | 226 | 145 | 167 | 130 | 254 | 354 | 462 | 274 | 3,348 |
| General Music Today * | 39 | 29 | 48 | 30 | 40 | 32 | 34 | 17 | 30 | 25 | 32 | 21 | 377 |
| GEOBASE | 253 | 491 | 481 | 486 | 311 | 223 | 236 | 172 | 470 | 533 | 469 | 378 | 4,503 |
| GEOBIB (Online Geographical Bibliography) | 34 | 34 | 29 | 79 | 111 | 30 | 53 | 34 | 25 | 74 | 51 | 38 | 592 |
| Geochemical Transactions * | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 0 | 2 | 0 | 0 | 1 | 13 |
| Geological Society of America journals online | 85 | 151 | 108 | 136 | 135 | 43 | 80 | 46 | 154 | 97 | 104 | 65 | 1,204 |
| GeoRef (geoscience literature) | 659 | 1,033 | 793 | 817 | 606 | 466 | 522 | 366 | 898 | 722 | 817 | 561 | 8,260 |
| German History * | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 11 |
| GLBT Life | 0 | 0 | 141 | 261 | 134 | 58 | 89 | 59 | 92 | 145 | 158 | 119 | 1,256 |
| Goethe's Werke * | 0 | 1 | 0 | 0 | 0 | 1 | 10 | 1 | 5 | 2 | 0 | 0 | 20 |
| Government Documents/Maps # | 74 | 111 | 75 | 102 | 95 | 45 | 49 | 0 | 0 | 0 | 0 | 0 | 551 |
| GPO Access * | 57 | 62 | 52 | 78 | 89 | 68 | 101 | 54 | 52 | 79 | 75 | 99 | 866 |
| GrayLIT Network (technical reports) | 19 | 27 | 17 | 41 | 67 | 27 | 49 | 22 | 19 | 41 | 31 | 57 | 417 |
| Guangming Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | 0 | 0 | 13 |
| Guide To Computing Literature | 101 | 122 | 105 | 133 | 130 | 77 | 77 | 33 | 90 | 175 | 114 | 86 | 1,243 |
| Guide to International Statistics * | 7 | 13 | 7 | 5 | 6 | 6 | 25 | 5 | 11 | 5 | 8 | 8 | 106 |
| Guides to Microforms | 25 | 21 | 18 | 61 | 88 | 24 | 45 | 19 | 12 | 39 | 23 | 29 | 404 |
| Gutenberg-e | 44 | 46 | 45 | 72 | 102 | 45 | 73 | 42 | 53 | 75 | 64 | 71 | 732 |
| Handbook of Latin American Studies * | 5 | 15 | 16 | 16 | 5 | 7 | 25 | 11 | 22 | 18 | 19 | 9 | 168 |
| HAPI (Hispanic American Periodicals Index) | 0 | 0 | 20 | 101 | 100 | 22 | 53 | 38 | 109 | 144 | 108 | 109 | 804 |
| Health & Safety Science Abstracts | 149 | 229 | 203 | 238 | 208 | 107 | 129 | 83 | 199 | 268 | 275 | 148 | 2,236 |
| Health and Psychosocial Instruments (HaPI) | 0 | 0 | 0 | 0 | 0 | 0 | 126 | 66 | 213 | 201 | 193 | 135 | 934 |
| Hein Online (full text legal journal articles) | 147 | 152 | 119 | 184 | 186 | 114 | 134 | 112 | 160 | 269 | 200 | 241 | 2,018 |
| Highwire * | 806 | 971 | 881 | 897 | 677 | 711 | 602 | 377 | 458 | 547 | 519 | 314 | 7,760 |
| Historic Documents Series Online | 0 | 0 | 33 | 208 | 152 | 64 | 107 | 67 | 120 | 235 | 229 | 133 | 1,348 |
| Historical Abstracts | 295 | 457 | 395 | 426 | 255 | 137 | 159 | 100 | 320 | 490 | 578 | 328 | 3,940 |
| History Cooperative | 156 | 198 | 180 | 216 | 172 | 73 | 108 | 73 | 182 | 249 | 285 | 167 | 2,059 |
| History E-Book Project (ACLS) | 212 | 217 | 242 | 288 | 217 | 118 | 153 | 95 | 235 | 271 | 345 | 232 | 2,625 |
| History of Science, Technology and Medicine | 124 | 128 | 106 | 151 | 158 | 71 | 119 | 77 | 108 | 180 | 158 | 126 | 1,506 |
| Hoover's Online (Company Information) | 2,178 | 4,735 | 3,328 | 3,952 | 1,340 | 1,553 | 1,397 | 1,301 | 3,077 | 4,061 | 3,450 | 1,774 | 32,146 |
| Horn Book Guide Online (Children's Book Reviews) | 210 | 464 | 362 | 305 | 173 | 78 | 93 | 64 | 414 | 397 | 276 | 158 | 2,994 |
| HRAF-Human Relations Area Files (anthropology/archaeology) | 45 | 66 | 67 | 369 | 224 | 84 | 137 | 70 | 88 | 255 | 176 | 182 | 1,763 |
| HSRPROJ (health services grants and contracts) | 23 | 18 | 26 | 30 | 50 | 23 | 44 | 16 | 17 | 37 | 19 | 39 | 342 |
| HSTAT (clinical practice guidelines, treatment protocols) | 29 | 22 | 22 | 38 | 55 | 22 | 49 | 29 | 19 | 53 | 34 | 35 | 407 |
| Humanities Abstracts | 248 | 373 | 309 | 383 | 283 | 142 | 185 | 122 | 374 | 563 | 500 | 292 | 3,774 |
| Hybridoma and Hybridomics * | 0 | 0 | 0 | 2 | 0 | 2 | 9 | 0 | 3 | 0 | 0 | 0 | 16 |
| IBIDS (Dietary supplements database) | 85 | 71 | 58 | 75 | 94 | 40 | 74 | 49 | 60 | 85 | 77 | 92 | 860 |
| IBZ (International Bibliography of Periodical Literature) | 68 | 60 | 60 | 102 | 145 | 58 | 81 | 55 | 50 | 88 | 124 | 112 | 1,003 |
| ICPSR (Inter-university Consortium for Political and Social Research) | 112 | 108 | 98 | 123 | 158 | 77 | 99 | 50 | 104 | 106 | 120 | 129 | 1,284 |
| IEEE Electronic Library (IEEEXplore) | 1,916 | 1,997 | 2,344 | 2,447 | 1,688 | 1,793 | 1,317 | 1,119 | 1,897 | 1,827 | 1,862 | 1,273 | 21,480 |
| In Vitro Cellular and Development Biology - Animal * | 2 | 1 | 1 | 0 | 1 | 0 | 11 | 2 | 0 | 0 | 0 | 0 | 18 |
| Index of Christian Art | 85 | 61 | 75 | 133 | 145 | 52 | 74 | 49 | 58 | 83 | 102 | 69 | 986 |
| Index to Theses * | 0 | 0 | 0 | 1 | 0 | 0 | 14 | 0 | 0 | 1 | 0 | 0 | 16 |
| Index Translationum | 27 | 32 | 24 | 67 | 97 | 25 | 52 | 21 | 18 | 39 | 44 | 41 | 487 |
| Information Science Abstracts Plus | 114 | 137 | 115 | 187 | 167 | 92 | 115 | 64 | 164 | 196 | 160 | 119 | 1,630 |
| Ingenta * | 800 | 829 | 714 | 637 | 536 | 510 | 400 | 335 | 604 | 537 | 499 | 542 | 6,943 |
| INSPEC | 502 | 574 | 442 | 540 | 526 | 449 | 432 | 334 | 551 | 690 | 771 | 423 | 6,234 |
| Interface * | 6 | 5 | 10 | 5 | 10 | 7 | 15 | 6 | 8 | 8 | 5 | 3 | 88 |
| International Encyclopedia of Social and Behavioral Sciences | 245 | 402 | 314 | 408 | 291 | 168 | 239 | 149 | 433 | 520 | 569 | 375 | 4,113 |
| International Financial Statistics Online | 106 | 124 | 106 | 144 | 154 | 81 | 105 | 80 | 134 | 153 | 169 | 125 | 1,481 |
| International Index to Black Periodicals Full Text | 0 | 0 | 43 | 151 | 162 | 90 | 148 | 88 | 111 | 291 | 230 | 189 | 1,503 |
| International Index to Music Periodicals | 208 | 282 | 263 | 305 | 249 | 203 | 255 | 127 | 588 | 623 | 347 | 257 | 3,707 |
| International Index to the Performing Arts | 64 | 50 | 69 | 149 | 132 | 48 | 105 | 50 | 184 | 118 | 166 | 121 | 1,256 |
| International Journal of Bilingual Education and Bilingualism * | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| International Journal of Engineering Education * | 1 | 4 | 14 | 6 | 4 | 3 | 15 | 2 | 9 | 4 | 4 | 3 | 69 |
| International Journal of Entrepreneurship Education * | 0 | 0 | 0 | 1 | 0 | 0 | 11 | 0 | 3 | 0 | 0 | 0 | 15 |
| International Journal of Mathematics and Mathematical Sciences * | 3 | 5 | 2 | 4 | 3 | 4 | 14 | 5 | 1 | 3 | 0 | 3 | 47 |
| International Journal of Multilingualism * | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| International Journal of the Sociology of Language * | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 0 | 4 | 0 | 1 | 3 | 19 |
| International Mathematics Research Notices * | 1 | 0 | 1 | 2 | 0 | 0 | 11 | 0 | 3 | 0 | 0 | 0 | 18 |
| International Medieval Bibliography | 67 | 74 | 60 | 97 | 124 | 53 | 93 | 58 | 124 | 101 | 113 | 124 | 1,088 |
| Internet Journal of Chemistry * | 0 | 0 | 0 | 2 | 0 | 0 | 15 | 0 | 2 | 0 | 0 | 0 | 19 |
| Internet Movie Database * | 17 | 13 | 6 | 21 | 24 | 16 | 35 | 15 | 11 | 11 | 20 | 10 | 199 |
| IOP E-Journals (physics) | 273 | 269 | 283 | 306 | 291 | 213 | 204 | 169 | 216 | 215 | 237 | 163 | 2,839 |
| iPoll | 83 | 111 | 66 | 97 | 110 | 33 | 55 | 27 | 66 | 194 | 225 | 133 | 1,200 |
| ITER:Gateway to the Middle Ages and Renaissance | 63 | 118 | 59 | 102 | 126 | 48 | 74 | 45 | 58 | 100 | 128 | 109 | 1,030 |
| JACIC Online Technical Information * | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 9 |
| Japan Times * | 0 | 0 | 0 | 0 | 1 | 1 | 14 | 3 | 3 | 1 | 2 | 0 | 25 |
| Johns Hopkins Guide to Literary Theory and Criticism | 116 | 111 | 105 | 137 | 130 | 62 | 84 | 62 | 147 | 196 | 189 | 129 | 1,468 |
| Joong-Ang * | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 2 | 0 | 1 | 0 | 13 |
| Journal of American Ceramic Society * | 80 | 35 | 3 | 2 | 0 | 3 | 8 | 0 | 0 | 0 | 0 | 0 | 131 |
| Journal of American Ethnic History * | 24 | 19 | 25 | 20 | 23 | 20 | 27 | 12 | 19 | 16 | 19 | 16 | 240 |
| Journal of Animal Science * | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 7 |
| Journal of Applied Mathematics * | 5 | 4 | 4 | 3 | 5 | 4 | 14 | 6 | 5 | 0 | 4 | 0 | 54 |
| Journal of Applied Mathematics and Stochastic Analysis * | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 3 |
| Journal of Biomedicine and Biotechnology * | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 |
| Journal of Chemical Education * | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 12 |
| Journal of Computational Biology * | 2 | 2 | 7 | 2 | 2 | 4 | 10 | 2 | 2 | 5 | 0 | 2 | 40 |
| Journal of Electrochemical Society * | 8 | 3 | 3 | 2 | 2 | 2 | 13 | 0 | 0 | 0 | 1 | 0 | 34 |
| Journal of Insect Science * | 0 | 0 | 0 | 2 | 0 | 0 | 10 | 1 | 2 | 0 | 0 | 0 | 15 |
| Journal of Materials Research * | 54 | 57 | 23 | 39 | 28 | 28 | 55 | 23 | 36 | 29 | 27 | 19 | 418 |
| Journal of Multilingual and Multicultural Development * | 0 | 0 | 0 | 0 | 0 | 2 | 9 | 0 | 0 | 3 | 1 | 0 | 15 |
| Journal of Park and Recreation Administration * | 53 | 36 | 38 | 44 | 42 | 24 | 29 | 18 | 29 | 20 | 21 | 14 | 368 |
| Journal of School Nursing * | 0 | 0 | 0 | 0 | 0 | 8 | 17 | 3 | 0 | 4 | 5 | 0 | 37 |
| Journal of Universal Computer Science * | 6 | 6 | 4 | 3 | 6 | 6 | 12 | 6 | 5 | 0 | 0 | 2 | 56 |
| JSTOR (full text journal articles) | 5,694 | 7,497 | 6,993 | 7,917 | 3,655 | 3,140 | 2,950 | 2,797 | 6,696 | 8,337 | 8,690 | 4,930 | 69,296 |
| Kluwer Online | 1,362 | 1,979 | 1,612 | 1,512 | 1,143 | 1,072 | 984 | 662 | 830 | 952 | 825 | 522 | 13,455 |
| Kraus Curriculum Development Library(KCDL)Online * | 74 | 123 | 168 | 124 | 138 | 51 | 122 | 79 | 136 | 132 | 151 | 148 | 1,446 |
| Language Testing * | 0 | 1 | 1 | 0 | 0 | 0 | 12 | 1 | 1 | 0 | 1 | 0 | 17 |
| Language, Culture and Curriculum * | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 1 | 2 | 0 | 1 | 0 | 14 |
| LEA Online * | 260 | 335 | 327 | 263 | 195 | 179 | 203 | 123 | 142 | 179 | 171 | 89 | 2,466 |
| LegalTrac | 222 | 285 | 240 | 319 | 235 | 138 | 175 | 86 | 212 | 398 | 328 | 219 | 2,857 |
| Lexikon des Mittelalters Online | 48 | 20 | 24 | 53 | 88 | 20 | 35 | 16 | 24 | 45 | 28 | 33 | 434 |
| LexisNexis Academic Universe | 5,041 | 7,979 | 6,991 | 7,834 | 3,225 | 3,000 | 3,815 | 2,276 | 6,419 | 8,341 | 8,570 | 4,133 | 67,624 |
| LexisNexis Congressional Universe | 762 | 579 | 548 | 575 | 422 | 275 | 358 | 239 | 568 | 813 | 924 | 578 | 6,641 |
| Lianhe News * | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 2 | 1 | 0 | 0 | 15 |
| Libraries by Geographic Location | 30 | 30 | 26 | 41 | 60 | 49 | 54 | 28 | 27 | 42 | 25 | 39 | 451 |
| Library and Information Science Abstracts (LISA) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | 104 | 75 | 255 |
| Library Literature | 203 | 302 | 325 | 345 | 302 | 217 | 235 | 257 | 262 | 308 | 292 | 241 | 3,289 |
| Library of Latin texts: CLCLT | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 43 | 46 | 39 | 141 |
| Library Worklife * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 4 |
| Linguistics and Language Behavior Abstracts | 339 | 476 | 481 | 616 | 451 | 197 | 241 | 258 | 561 | 628 | 649 | 421 | 5,318 |
| Literary Theory | 109 | 138 | 145 | 199 | 170 | 68 | 94 | 50 | 129 | 184 | 168 | 120 | 1,574 |
| Literature Online * | 505 | 753 | 1,016 | 966 | 539 | 203 | 332 | 222 | 737 | 921 | 749 | 472 | 7,415 |
| Mainichi Shinbun * | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | 2 | 0 | 0 | 0 | 14 |
| Mass Media Articles Index (1984 to April 2003) | 198 | 236 | 208 | 252 | 157 | 98 | 138 | 75 | 228 | 295 | 278 | 148 | 2,311 |
| Materials Research Innovation * | 0 | 0 | 4 | 1 | 1 | 1 | 15 | 0 | 4 | 2 | 0 | 0 | 28 |
| Materials Science | 256 | 227 | 177 | 220 | 276 | 232 | 224 | 169 | 241 | 279 | 231 | 180 | 2,712 |
| Materials Technology * | 0 | 0 | 5 | 2 | 4 | 2 | 14 | 3 | 5 | 3 | 1 | 0 | 39 |
| Mathematica Journal * | 5 | 1 | 0 | 2 | 3 | 1 | 11 | 2 | 3 | 0 | 0 | 1 | 29 |
| Mathematical Problems in Engineering * | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 2 | 0 | 1 | 1 | 13 |
| MathSciNet | 342 | 350 | 310 | 333 | 326 | 234 | 277 | 208 | 320 | 438 | 408 | 312 | 3,858 |
| MBS ONLINE (International Statistics) | 54 | 45 | 57 | 106 | 133 | 49 | 87 | 48 | 76 | 90 | 108 | 102 | 955 |
| MD-Consult | 604 | 974 | 1,046 | 830 | 509 | 523 | 492 | 327 | 796 | 799 | 858 | 497 | 8,255 |
| Mechanical Engineering Abstracts # | 155 | 140 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 295 |
| Medianet (Penn State's Audiovisual Database) | 953 | 1,004 | 1,025 | 1,015 | 859 | 729 | 657 | 854 | 1,310 | 1,675 | 1,357 | 1,064 | 12,502 |
| MediaTech * | 12 | 14 | 20 | 18 | 41 | 34 | 82 | 37 | 15 | 0 | 0 | 0 | 273 |
| Medical Sciences-ProQuest Nursing Journals * | 66 | 111 | 92 | 148 | 63 | 36 | 81 | 23 | 83 | 173 | 149 | 33 | 1,058 |
| Medieval Feminist Index (now Feminae:Medieval Women and Gender Index) | 80 | 110 | 120 | 129 | 155 | 73 | 128 | 67 | 52 | 113 | 138 | 148 | 1,313 |
| Medline (PubMed) | 1,456 | 1,967 | 1,719 | 1,580 | 705 | 747 | 737 | 566 | 2,488 | 2,183 | 2,000 | 979 | 17,127 |
| Mental Measurements Yearbook | 137 | 294 | 237 | 427 | 117 | 80 | 138 | 94 | 230 | 194 | 296 | 199 | 2,443 |
| MergentOnline (company information) | 820 | 2,065 | 1,197 | 1,536 | 466 | 302 | 351 | 234 | 648 | 2,079 | 1,823 | 527 | 12,048 |
| Metacritic * | 4 | 6 | 4 | 6 | 4 | 4 | 18 | 9 | 17 | 5 | 11 | 13 | 101 |
| METADEX (Metals) | 70 | 118 | 94 | 121 | 191 | 78 | 127 | 87 | 112 | 139 | 102 | 95 | 1,334 |
| MetaPress * | 434 | 524 | 506 | 579 | 461 | 426 | 368 | 250 | 385 | 393 | 409 | 288 | 5,023 |
| Meteorological and Geoastrophysical Abstracts | 64 | 97 | 80 | 146 | 167 | 107 | 102 | 95 | 122 | 136 | 157 | 123 | 1,396 |
| MicroFinder | 70 | 65 | 62 | 100 | 89 | 55 | 97 | 60 | 55 | 96 | 106 | 93 | 948 |
| Middle English Dictionary | 41 | 32 | 36 | 66 | 101 | 36 | 60 | 33 | 34 | 66 | 28 | 56 | 589 |
| Ming Pao Daily News * | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 2 | 1 | 0 | 0 | 15 |
| Mintel Reports | 69 | 146 | 136 | 212 | 169 | 80 | 91 | 83 | 210 | 215 | 264 | 213 | 1,888 |
| MIT CogNet | 91 | 133 | 109 | 153 | 154 | 96 | 113 | 79 | 154 | 202 | 177 | 170 | 1,631 |
| MLA International Bibliography | 931 | 1,491 | 1,471 | 1,648 | 859 | 540 | 572 | 661 | 1,515 | 1,903 | 2,054 | 985 | 14,630 |
| Molecular Plant-Microbe Interactions * | 12 | 12 | 6 | 9 | 5 | 8 | 11 | 5 | 4 | 3 | 3 | 1 | 79 |
| MRS Bulletin * | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 2 | 1 | 0 | 3 | 5 | 30 |
| MUSE (full text journal articles) | 1,390 | 1,980 | 2,265 | 2,622 | 1,468 | 929 | 994 | 810 | 1,905 | 2,358 | 2,631 | 1,482 | 20,834 |
| Music Audio | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Music Cataloging Bulletin * | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | 0 | 0 | 13 |
| Music Index Online | 172 | 246 | 218 | 281 | 194 | 104 | 175 | 114 | 260 | 389 | 292 | 212 | 2,657 |
| Nanfang Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 2 | 0 | 0 | 0 | 12 |
| NASA ADS (Astrophysics Data System) | 19 | 40 | 44 | 64 | 65 | 33 | 50 | 37 | 29 | 57 | 82 | 54 | 574 |
| NASA Technical Report Server | 49 | 57 | 70 | 84 | 97 | 56 | 66 | 41 | 64 | 96 | 73 | 58 | 811 |
| NASPA Journal * | 17 | 6 | 7 | 5 | 8 | 7 | 13 | 2 | 11 | 11 | 2 | 4 | 93 |
| National Journal (Technology Daily) | 137 | 131 | 160 | 195 | 216 | 103 | 118 | 76 | 143 | 240 | 209 | 163 | 1,891 |
| Nature * | 618 | 604 | 703 | 590 | 413 | 360 | 441 | 326 | 407 | 556 | 405 | 262 | 5,685 |
| Naxos Music Library * | 240 | 169 | 180 | 252 | 221 | 124 | 183 | 212 | 395 | 269 | 220 | 176 | 2,641 |
| NBER Working Paper Series * | 5 | 2 | 5 | 7 | 3 | 2 | 11 | 0 | 2 | 5 | 3 | 5 | 50 |
| netLibrary (full text e-books) | 743 | 824 | 820 | 869 | 601 | 444 | 455 | 476 | 1,063 | 1,601 | 1,638 | 1,100 | 10,634 |
| New Grove Dictionary of Music Online | 207 | 299 | 239 | 408 | 279 | 139 | 139 | 107 | 407 | 449 | 370 | 306 | 3,349 |
| New Journal of Physics * | 0 | 0 | 0 | 0 | 1 | 0 | 12 | 0 | 2 | 0 | 0 | 0 | 15 |
| New York Times Historical (1851-2002) (Digital Archive) | 1,202 | 2,076 | 1,476 | 1,861 | 696 | 592 | 1,033 | 462 | 1,772 | 2,381 | 1,931 | 1,048 | 16,530 |
| News Sources # | 159 | 229 | 253 | 263 | 153 | 131 | 166 | 133 | 257 | 317 | 279 | 69 | 2,409 |
| NewsBank Full Text Newspapers (America's Newspapers) | 811 | 1,636 | 1,137 | 1,334 | 651 | 601 | 775 | 476 | 1,321 | 1,750 | 1,413 | 831 | 12,736 |
| Newspaper Photos (AccuNet/AP Photo Archive) | 132 | 225 | 217 | 193 | 113 | 109 | 103 | 99 | 261 | 265 | 148 | 117 | 1,982 |
| Nineteenth-Century Fiction | 58 | 45 | 50 | 90 | 116 | 30 | 59 | 30 | 83 | 67 | 58 | 57 | 743 |
| Ninhon Keizai Shinbun * | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | 0 | 0 | 13 |
| NLM Gateway (National Library of Medicine) | 104 | 135 | 149 | 135 | 114 | 75 | 116 | 53 | 121 | 151 | 156 | 122 | 1,431 |
| North American Women's Letters and Diaries | 65 | 90 | 82 | 126 | 129 | 50 | 81 | 59 | 86 | 114 | 112 | 109 | 1,103 |
| NoveList (fiction) | 59 | 90 | 73 | 98 | 135 | 52 | 127 | 46 | 63 | 80 | 103 | 104 | 1,030 |
| NTIS (engineering, science & social sciences) | 390 | 363 | 324 | 340 | 368 | 322 | 318 | 233 | 554 | 308 | 303 | 196 | 4,019 |
| Nursing Databases | 145 | 258 | 203 | 263 | 107 | 97 | 186 | 53 | 231 | 352 | 336 | 95 | 2,326 |
| Oceanic Abstracts | 77 | 77 | 51 | 152 | 166 | 52 | 87 | 47 | 64 | 90 | 44 | 59 | 966 |
| OCLC (FirstSearch databases) | 91 | 90 | 94 | 159 | 201 | 67 | 84 | 50 | 80 | 95 | 89 | 64 | 1,164 |
| Odum Institute's Public Opinion Poll Question Database | 0 | 0 | 0 | 77 | 107 | 22 | 43 | 18 | 29 | 47 | 25 | 35 | 403 |
| OED Online (Oxford English Dictionary) | 786 | 1,336 | 887 | 928 | 545 | 544 | 959 | 549 | 1,166 | 1,323 | 1,402 | 718 | 11,143 |
| Old English Corpus | 44 | 40 | 41 | 79 | 106 | 35 | 80 | 41 | 56 | 80 | 66 | 73 | 741 |
| Opposing Viewpoints Resource Center | 568 | 903 | 543 | 596 | 311 | 231 | 1,033 | 183 | 1,018 | 1,802 | 1,974 | 623 | 9,785 |
| Oral History Online | 112 | 108 | 70 | 106 | 135 | 50 | 89 | 60 | 72 | 170 | 164 | 112 | 1,248 |
| OSA (Optical Society of America) Journals * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
| OT BibSys (Occupational Therapy Bibliographic System) | 91 | 45 | 43 | 91 | 112 | 37 | 64 | 64 | 68 | 139 | 122 | 73 | 949 |
| Oxford Dictionary of National Biography | 85 | 174 | 140 | 218 | 144 | 63 | 143 | 95 | 199 | 175 | 158 | 138 | 1,732 |
| Oxford Index * | 235 | 251 | 264 | 268 | 242 | 237 | 173 | 139 | 205 | 154 | 205 | 118 | 2,491 |
| PAIS (contemporary issues) # | 206 | 271 | 225 | 285 | 243 | 137 | 163 | 100 | 0 | 0 | 0 | 0 | 1,630 |
| PapersFirst (conference papers) | 55 | 54 | 55 | 97 | 124 | 52 | 79 | 61 | 61 | 101 | 72 | 77 | 888 |
| Past Masters (full text philosophy books) | 169 | 157 | 146 | 244 | 229 | 138 | 124 | 127 | 222 | 203 | 265 | 151 | 2,175 |
| Patents, U.S. and Foreign | 192 | 143 | 101 | 113 | 199 | 112 | 132 | 104 | 133 | 163 | 152 | 134 | 1,678 |
| Patrologia Latina (history of Latin Christianity) | 44 | 56 | 48 | 84 | 104 | 29 | 54 | 43 | 46 | 63 | 83 | 85 | 739 |
| Pennsylvania History Pictorial Collections | 105 | 78 | 154 | 143 | 139 | 39 | 57 | 75 | 134 | 141 | 118 | 75 | 1,258 |
| Pennsylvania History Pictorial Collections Public Site * | 3 | 3 | 11 | 1 | 2 | 0 | 11 | 0 | 5 | 2 | 0 | 0 | 38 |
| Pennsylvania History: A Journal of Mid-Atlantic Studies * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 14 |
| People's Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 2 | 0 | 0 | 16 |
| Perception * | 5 | 2 | 11 | 7 | 6 | 1 | 15 | 10 | 9 | 3 | 3 | 0 | 72 |
| Periodicals Archive Online | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 82 |
| Periodicals Contents Index Full Text # | 129 | 130 | 144 | 249 | 219 | 84 | 110 | 85 | 137 | 240 | 217 | 62 | 1,806 |
| Periodicals Index Online | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 69 | 69 |
| Philosopher's Index | 285 | 264 | 282 | 420 | 303 | 144 | 176 | 184 | 437 | 401 | 425 | 353 | 3,674 |
| Phytopathology * | 27 | 25 | 36 | 14 | 17 | 9 | 20 | 9 | 12 | 10 | 19 | 20 | 218 |
| Pike & Fischer Communications Regulations | 56 | 75 | 49 | 100 | 95 | 45 | 62 | 48 | 52 | 72 | 108 | 101 | 863 |
| Plant Disease * | 21 | 19 | 16 | 9 | 14 | 10 | 19 | 5 | 4 | 11 | 10 | 5 | 143 |
| Plant Management Network | 40 | 41 | 47 | 91 | 73 | 21 | 48 | 28 | 34 | 50 | 28 | 30 | 531 |
| Plunkett Research Online (Industry information) | 367 | 1,294 | 284 | 219 | 135 | 83 | 116 | 150 | 951 | 516 | 379 | 264 | 4,758 |
| PolicyFile (Public Policy Research & Analysis) | 179 | 251 | 211 | 255 | 196 | 91 | 107 | 92 | 260 | 249 | 354 | 257 | 2,502 |
| Political Risk Yearbook | 108 | 165 | 151 | 182 | 129 | 50 | 92 | 66 | 201 | 238 | 191 | 156 | 1,729 |
| Polling the Nations | 78 | 126 | 127 | 152 | 194 | 55 | 75 | 59 | 108 | 166 | 167 | 152 | 1,459 |
| Pollution Abstracts | 54 | 91 | 62 | 110 | 108 | 14 | 53 | 39 | 68 | 90 | 114 | 83 | 886 |
| Polymer Composites and Polymer Engineering & Science * | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 10 |
| Proceedings of the National Academy of Sciences * | 64 | 79 | 66 | 70 | 53 | 42 | 52 | 46 | 41 | 43 | 55 | 29 | 640 |
| ProceedingsFirst (conference papers) | 66 | 68 | 42 | 91 | 91 | 40 | 80 | 52 | 60 | 82 | 67 | 55 | 794 |
| Professional Development Collection (Education) | 1,322 | 1,864 | 1,475 | 1,270 | 707 | 991 | 774 | 461 | 1,268 | 1,444 | 1,060 | 523 | 13,159 |
| Progress in Human Geography * | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 9 |
| Progress in Physical Geography * | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 10 |
| Project Euclid (mathematics journals) | 56 | 45 | 43 | 70 | 67 | 25 | 45 | 29 | 35 | 74 | 36 | 33 | 558 |
| ProQuest Direct (newspapers, magazines, business) | 20,751 | 34,729 | 31,980 | 36,837 | 11,299 | 11,206 | 13,950 | 8,045 | 32,066 | 41,612 | 41,876 | 18,092 | 302,443 |
| ProQuest National Newspapers | 904 | 1,659 | 1,578 | 1,825 | 516 | 431 | 669 | 344 | 1,630 | 2,332 | 2,213 | 1,088 | 15,189 |
| Proquest National Newspapers and Research Library Complete * | 1 | 1 | 0 | 1 | 1 | 0 | 13 | 0 | 3 | 11 | 3 | 0 | 34 |
| ProQuest Psychology Journals * | 3,889 | 6,956 | 7,170 | 8,048 | 1,840 | 1,862 | 1,324 | 704 | 2,931 | 3,720 | 3,037 | 1,248 | 42,729 |
| ProQuest Research Library Complete * | 156 | 314 | 173 | 259 | 78 | 70 | 71 | 54 | 275 | 275 | 361 | 147 | 2,233 |
| PsycARTICLES * | 7,313 | 10,622 | 10,372 | 10,818 | 4,615 | 4,765 | 2,189 | 946 | 2,648 | 3,328 | 2,348 | 1,047 | 61,011 |
| Psychology Databases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| PsycINFO | 924 | 1,141 | 1,008 | 973 | 579 | 680 | 3,056 | 3,058 | 9,938 | 11,167 | 10,502 | 5,534 | 48,560 |
| Public Administration Abstracts | 125 | 197 | 122 | 126 | 86 | 64 | 126 | 56 | 203 | 158 | 188 | 123 | 1,574 |
| Publishers # | 67 | 85 | 68 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 220 |
| Quarterly Journal of Ideology * | 0 | 0 | 1 | 0 | 0 | 0 | 12 | 0 | 0 | 1 | 1 | 0 | 15 |
| Race Relations Abstracts | 24 | 44 | 50 | 70 | 42 | 14 | 21 | 14 | 65 | 91 | 92 | 34 | 561 |
| RareBooks.Info | 57 | 46 | 38 | 70 | 65 | 15 | 44 | 26 | 27 | 58 | 50 | 29 | 525 |
| RedLightGreen * | 0 | 0 | 9 | 25 | 26 | 8 | 24 | 24 | 17 | 19 | 30 | 12 | 194 |
| Reference Universe | 0 | 0 | 66 | 117 | 81 | 50 | 63 | 57 | 117 | 154 | 183 | 121 | 1,009 |
| Regular & Chaotic Dynamics * | 3 | 5 | 4 | 12 | 7 | 5 | 22 | 9 | 18 | 7 | 3 | 7 | 102 |
| Reuters Research On-Demand (formerly Multex) | 1,048 | 1,314 | 973 | 968 | 454 | 410 | 495 | 505 | 1,091 | 1,321 | 1,260 | 719 | 10,558 |
| RILM Abstracts (musical literature) | 180 | 171 | 129 | 195 | 132 | 54 | 90 | 86 | 352 | 392 | 261 | 202 | 2,244 |
| RIPM (Index to 19th-Century Music Periodicals) | 59 | 52 | 45 | 74 | 88 | 33 | 43 | 34 | 53 | 85 | 63 | 53 | 682 |
| Risk Abstracts | 50 | 55 | 52 | 95 | 125 | 32 | 66 | 53 | 51 | 84 | 89 | 88 | 840 |
| RLG Cultural Material * | 26 | 37 | 32 | 32 | 34 | 16 | 39 | 29 | 44 | 43 | 51 | 26 | 409 |
| RLG Resources | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| RLG Union Catalog (RLIN) * | 495 | 508 | 581 | 417 | 365 | 357 | 381 | 423 | 390 | 349 | 430 | 299 | 4,995 |
| Rocky Mountain Mathematics Consortium * | 2 | 5 | 2 | 9 | 5 | 6 | 15 | 6 | 4 | 0 | 1 | 1 | 56 |
| Roget's Thesaurus | 40 | 52 | 28 | 48 | 36 | 30 | 36 | 25 | 39 | 59 | 51 | 63 | 507 |
| Rotten Tomatoes * | 5 | 8 | 4 | 5 | 4 | 5 | 17 | 8 | 17 | 7 | 14 | 15 | 109 |
| Royal Society of Chemistry E-Journals | 137 | 155 | 174 | 210 | 230 | 205 | 167 | 185 | 205 | 195 | 145 | 124 | 2,132 |
| Royal Society of Chemistry Specialist Periodical Reports * | 3 | 1 | 10 | 14 | 5 | 3 | 11 | 0 | 2 | 0 | 4 | 4 | 57 |
| Russian Newspapers (Digital Archive) | 132 | 100 | 109 | 156 | 161 | 65 | 81 | 72 | 96 | 133 | 151 | 117 | 1,373 |
| Sage Full-Text Journal Collections | 294 | 790 | 768 | 984 | 449 | 425 | 355 | 330 | 567 | 786 | 940 | 516 | 7,204 |
| Science of Synthesis (Chemistry) | 68 | 96 | 106 | 166 | 177 | 55 | 102 | 49 | 96 | 122 | 108 | 75 | 1,220 |
| Science's Next Wave | 95 | 136 | 128 | 153 | 105 | 39 | 72 | 45 | 93 | 122 | 127 | 69 | 1,184 |
| Scientific American Archive Online * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 53 | 111 | 70 | 271 |
| Scientific Net Account Access * | 43 | 53 | 64 | 57 | 47 | 76 | 75 | 51 | 55 | 36 | 48 | 25 | 630 |
| SciFinder Scholar (chemistry) | 95 | 124 | 163 | 188 | 83 | 82 | 88 | 93 | 139 | 163 | 162 | 84 | 1,464 |
| Second Language Research * | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 9 |
| SIAM journals (Society of Industrial and Applied Mathematics) | 55 | 63 | 45 | 94 | 105 | 47 | 56 | 33 | 43 | 65 | 42 | 46 | 694 |
| SIAM's Online Journal Archive (Locus) | 36 | 45 | 48 | 87 | 86 | 24 | 46 | 32 | 29 | 65 | 54 | 52 | 604 |
| Sing Tao Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 11 |
| SME Quarterlies * | 0 | 0 | 2 | 0 | 0 | 5 | 17 | 0 | 0 | 1 | 0 | 0 | 25 |
| Smithsonian Global Sound * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 95 | 122 | 81 | 96 | 41 | 435 |
| Social Science Abstracts | 502 | 914 | 846 | 820 | 474 | 294 | 290 | 263 | 891 | 1,000 | 714 | 528 | 7,536 |
| Society of Petroleum Engineers eLibrary | 0 | 0 | 0 | 10 | 77 | 32 | 64 | 76 | 47 | 64 | 65 | 59 | 494 |
| Sociological Abstracts | 3,673 | 4,185 | 1,444 | 1,105 | 766 | 559 | 508 | 453 | 1,439 | 1,697 | 1,155 | 745 | 17,729 |
| Sociometrics Social Science Electronic Data Library (SSEDL) | 39 | 76 | 74 | 105 | 95 | 41 | 52 | 58 | 62 | 133 | 97 | 67 | 899 |
| SodaPop | 0 | 0 | 0 | 9 | 66 | 46 | 63 | 42 | 73 | 123 | 149 | 74 | 645 |
| SourceOECD (economic policy) | 139 | 175 | 171 | 250 | 160 | 102 | 182 | 93 | 199 | 213 | 324 | 188 | 2,196 |
| SPIE Digital Library | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 48 | 108 | 103 | 83 | 65 | 479 |
| SPIN Database (physics) | 141 | 101 | 108 | 143 | 168 | 108 | 89 | 108 | 114 | 123 | 124 | 109 | 1,436 |
| SPORT Discus | 581 | 486 | 358 | 533 | 182 | 132 | 151 | 129 | 823 | 476 | 474 | 259 | 4,584 |
| Sports Business Resource Network (SBRnet) | 134 | 157 | 116 | 166 | 134 | 57 | 97 | 66 | 138 | 145 | 175 | 122 | 1,507 |
| Springer-Verlag Journals (full text science articles) | 679 | 724 | 714 | 657 | 645 | 664 | 502 | 326 | 452 | 511 | 550 | 339 | 6,763 |
| Staff College Automated Military Periodicals Index (SCAMPI) | 22 | 23 | 17 | 29 | 24 | 8 | 20 | 14 | 13 | 31 | 24 | 34 | 259 |
| Standard & Poor's NetAdvantage | 2,762 | 4,246 | 1,277 | 1,649 | 853 | 577 | 553 | 591 | 3,636 | 1,961 | 2,203 | 925 | 21,233 |
| Stanford Encyclopedia of Philosophy * | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 19 | 37 | 71 | 35 | 46 | 229 |
| STAT-USA Internet | 126 | 208 | 154 | 192 | 175 | 77 | 115 | 97 | 185 | 189 | 234 | 145 | 1,897 |
| State Capital Universe (now LexisNexis State Capital) | 179 | 215 | 216 | 295 | 254 | 125 | 196 | 176 | 264 | 359 | 368 | 284 | 2,931 |
| Statistical Universe (now LexisNexis Statistical) | 366 | 515 | 408 | 539 | 438 | 232 | 320 | 204 | 575 | 602 | 738 | 440 | 5,377 |
| Statistics and Data Web Page * | 9 | 17 | 12 | 16 | 7 | 10 | 18 | 6 | 18 | 11 | 11 | 12 | 147 |
| STATRef (nursing, biomedical books) | 197 | 172 | 166 | 166 | 137 | 86 | 118 | 87 | 124 | 185 | 162 | 146 | 1,746 |
| SUR, 1931-1992 * | 1 | 4 | 1 | 0 | 0 | 0 | 6 | 0 | 0 | 2 | 0 | 2 | 16 |
| TableBase (business/marketing) | 562 | 1,536 | 598 | 528 | 323 | 260 | 255 | 230 | 651 | 648 | 595 | 340 | 6,526 |
| Technology Daily * | 1 | 0 | 0 | 0 | 0 | 1 | 13 | 1 | 2 | 0 | 0 | 1 | 19 |
| Telemedicine Journal and e-Health * | 1 | 1 | 1 | 13 | 3 | 2 | 13 | 0 | 3 | 3 | 1 | 2 | 43 |
| Television News Archive (Vanderbilt) | 86 | 85 | 73 | 176 | 58 | 54 | 101 | 79 | 55 | 108 | 157 | 120 | 1,152 |
| The Borges Electronic Resources * | 0 | 0 | 0 | 10 | 2 | 0 | 10 | 0 | 0 | 1 | 0 | 1 | 24 |
| The Holocene * | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 10 |
| The Hotline * | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 3 | 0 | 0 | 0 | 14 |
| The Journal of Contemporary French Studies * | 1 | 1 | 2 | 1 | 0 | 1 | 13 | 0 | 7 | 2 | 1 | 0 | 29 |
| The Nation Digital Archive (1865- | 84 | 112 | 122 | 209 | 221 | 64 | 115 | 71 | 87 | 158 | 121 | 138 | 1,502 |
| The Online Journal of Knowledge Synthesis for Nursing * | 2 | 0 | 0 | 2 | 4 | 1 | 10 | 0 | 2 | 0 | 0 | 0 | 21 |
| The Prokaryotes | 47 | 51 | 47 | 79 | 80 | 29 | 58 | 88 | 171 | 182 | 175 | 259 | 1,266 |
| The Royal Society Online Journals * | 15 | 6 | 18 | 17 | 13 | 20 | 22 | 12 | 31 | 17 | 6 | 5 | 182 |
| Thesaurus Linguae Graecae | 78 | 56 | 48 | 74 | 103 | 28 | 57 | 53 | 77 | 71 | 53 | 70 | 768 |
| Times of London, Palmer's Index, 1790-1905 | 78 | 84 | 73 | 159 | 181 | 57 | 99 | 81 | 92 | 128 | 184 | 148 | 1,364 |
| TIPS - DIAL ACCESS | 1,304 | 1,982 | 1,697 | 1,606 | 833 | 111 | 140 | 539 | 2,777 | 1,982 | 1,394 | 841 | 15,206 |
| TLS Centenary Archive | 36 | 47 | 46 | 71 | 94 | 26 | 42 | 34 | 33 | 61 | 49 | 73 | 612 |
| TOCS-IN | 45 | 70 | 41 | 61 | 67 | 13 | 29 | 22 | 49 | 57 | 56 | 54 | 564 |
| TOXNET | 37 | 64 | 38 | 42 | 27 | 10 | 35 | 26 | 27 | 41 | 67 | 77 | 491 |
| TRIS (Transportation Research Information Services) | 51 | 66 | 72 | 83 | 87 | 64 | 74 | 60 | 73 | 60 | 60 | 71 | 821 |
| Turfgrass Information Center | 47 | 55 | 59 | 98 | 72 | 25 | 50 | 43 | 39 | 86 | 101 | 86 | 761 |
| Twentieth Century American Poetry | 40 | 46 | 35 | 74 | 83 | 24 | 45 | 30 | 41 | 59 | 42 | 49 | 568 |
| Twentieth Century English Poetry | 36 | 28 | 20 | 54 | 69 | 15 | 38 | 24 | 21 | 41 | 29 | 34 | 409 |
| Twentieth-Century Drama | 34 | 40 | 41 | 63 | 73 | 13 | 41 | 19 | 117 | 97 | 71 | 50 | 659 |
| UlrichsWeb (Periodicals Directory) | 0 | 147 | 117 | 159 | 144 | 102 | 119 | 85 | 200 | 193 | 124 | 100 | 1,490 |
| United Nations Treaty Collection | 50 | 57 | 39 | 70 | 95 | 61 | 85 | 50 | 70 | 88 | 89 | 97 | 851 |
| University Mathematics Journal Online * | 5 | 11 | 4 | 6 | 6 | 8 | 16 | 9 | 9 | 4 | 2 | 4 | 84 |
| University of Chicago Press * | 8 | 24 | 12 | 14 | 9 | 6 | 17 | 6 | 5 | 6 | 0 | 5 | 112 |
| UNSTATS | 84 | 103 | 89 | 142 | 129 | 57 | 113 | 69 | 95 | 160 | 156 | 134 | 1,331 |
| Value Line | 689 | 780 | 546 | 1,173 | 508 | 377 | 338 | 363 | 687 | 813 | 972 | 531 | 7,777 |
| VEL - CIC Virtual Electronic Library | 314 | 324 | 327 | 304 | 331 | 307 | 352 | 359 | 412 | 504 | 455 | 395 | 4,384 |
| Violence and Abuse Abstracts | 46 | 77 | 90 | 48 | 31 | 19 | 43 | 18 | 52 | 81 | 81 | 50 | 636 |
| W.B. Yeats Collection | 36 | 38 | 31 | 64 | 73 | 16 | 29 | 30 | 21 | 39 | 43 | 38 | 458 |
| Water Resource Abstracts | 86 | 138 | 95 | 171 | 179 | 74 | 85 | 64 | 114 | 138 | 215 | 84 | 1,443 |
| Web Access to Locally Mounted Databases # | 31 | 33 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 84 |
| Web of Science | 7,435 | 6,968 | 6,996 | 6,938 | 5,197 | 4,910 | 5,359 | 5,097 | 8,527 | 7,813 | 7,465 | 5,449 | 78,154 |
| Webster's Third New International Dictionary, Unabridged | 80 | 113 | 87 | 127 | 100 | 49 | 66 | 72 | 122 | 166 | 156 | 79 | 1,217 |
| Weihui Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 3 | 0 | 0 | 0 | 16 |
| Weldasearch (Welding & Joining) | 43 | 36 | 22 | 71 | 91 | ||||||||