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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 2007 | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CAT - PSU Libraries Web Catalog | 22,005 | 27,228 | 25,743 | 30,669 | 53,471 | 44,968 | 48,030 | 56,957 | 83,252 | 86,123 | 23,511 | 373 | 502,330 |
| ProQuest Direct (newspapers, magazines, business) | 13,679 | 29,323 | 27,468 | 34,049 | 12,997 | 8,018 | 10,004 | 5,229 | 14,130 | 10,327 | 2,286 | 2,030 | 169,540 |
| PsycINFO | 6,319 | 11,068 | 9,096 | 10,604 | 4,940 | 4,280 | 3,949 | 1,714 | 2,420 | 869 | 510 | 353 | 56,122 |
| LexisNexis Academic Universe | 3,772 | 6,395 | 6,056 | 6,607 | 2,606 | 2,758 | 2,694 | 1,494 | 3,033 | 2,662 | 1,020 | 667 | 39,764 |
| JSTOR (full text journal articles) | 3,859 | 5,587 | 6,314 | 8,329 | 4,115 | 2,858 | 2,460 | 873 | 805 | 693 | 601 | 487 | 36,981 |
| AAPG Bulletin * # | 11 | 16 | 8 | 4 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 42 |
| ABI/INFORM (business) | 1,993 | 2,891 | 2,315 | 2,981 | 1,215 | 1,162 | 1,240 | 546 | 1,197 | 613 | 340 | 345 | 16,838 |
| ABSEES Online: American Bibliography of Slavic and East European Studies | 63 | 58 | 56 | 57 | 44 | 53 | 58 | 29 | 15 | 16 | 20 | 15 | 484 |
| Abstract and Applied Analysis * # | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Academic Ideal, a division of Elsevier (full text journal articles) | 317 | 320 | 367 | 375 | 259 | 231 | 225 | 133 | 91 | 120 | 118 | 47 | 2,603 |
| Access PA # | 74 | 65 | 101 | 96 | 102 | 77 | 84 | 90 | 11 | 5 | 4 | 4 | 713 |
| Access Science (McGraw Hill Encyclopedia of Science and Technology) | 341 | 457 | 414 | 472 | 261 | 339 | 308 | 160 | 342 | 287 | 255 | 113 | 3,749 |
| Accessible Archives (18th- and 19th-century news) | 156 | 182 | 260 | 242 | 129 | 114 | 142 | 81 | 110 | 58 | 52 | 61 | 1,587 |
| AccessUN | 74 | 73 | 74 | 77 | 89 | 72 | 86 | 42 | 19 | 15 | 27 | 18 | 666 |
| ACM digital library (computer science) | 557 | 693 | 555 | 598 | 347 | 328 | 411 | 110 | 126 | 92 | 91 | 48 | 3,956 |
| ACS E-Journals (chemistry) | 493 | 536 | 535 | 460 | 386 | 404 | 391 | 112 | 92 | 82 | 57 | 56 | 3,604 |
| Acta Arithmetica * # | 10 | 12 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 25 |
| Advertising Law Guide (CCH) | 73 | 75 | 68 | 78 | 51 | 61 | 67 | 49 | 34 | 14 | 11 | 11 | 592 |
| Aerospace Database | 215 | 237 | 249 | 264 | 221 | 216 | 235 | 101 | 148 | 83 | 49 | 46 | 2,064 |
| African American Biographical Database, 1790-1950 | 132 | 138 | 179 | 173 | 93 | 95 | 122 | 74 | 47 | 32 | 47 | 37 | 1,169 |
| African American Poetry, 1760-1900 | 92 | 84 | 90 | 104 | 71 | 82 | 88 | 59 | 39 | 30 | 55 | 56 | 850 |
| African Publishing Companion * | 14 | 16 | 11 | 4 | 8 | 8 | 14 | 5 | 4 | 3 | 6 | 5 | 98 |
| AGRICOLA (agriculture and related sciences) # | 356 | 551 | 354 | 375 | 175 | 154 | 201 | 138 | 225 | 137 | 87 | 46 | 2,799 |
| Agropedia (agriculture encyclopedias) | 82 | 88 | 68 | 78 | 55 | 75 | 96 | 54 | 45 | 29 | 22 | 27 | 719 |
| AIAA Meeting Papers * # | 0 | 15 | 24 | 7 | 15 | 9 | 12 | 14 | 4 | 0 | 0 | 0 | 100 |
| AIAA Online Publications (aerospace engineering) | 158 | 149 | 132 | 178 | 120 | 130 | 154 | 52 | 41 | 41 | 36 | 27 | 1,218 |
| AIAA Student Journal Online * # | 1 | 4 | 2 | 0 | 1 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 14 |
| AIDSearch | 46 | 42 | 46 | 46 | 30 | 38 | 63 | 28 | 9 | 5 | 10 | 11 | 374 |
| AIP and APS E-Journals (physics) | 357 | 274 | 337 | 289 | 239 | 288 | 242 | 153 | 96 | 59 | 55 | 38 | 2,427 |
| Air University Library's Index to Military Periodicals | 37 | 33 | 31 | 58 | 42 | 76 | 80 | 41 | 19 | 7 | 8 | 9 | 441 |
| All resource selected * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Almanac of American Politics * | 26 | 58 | 53 | 20 | 23 | 26 | 24 | 10 | 20 | 22 | 35 | 25 | 342 |
| Aluminum Industry Abstracts | 40 | 24 | 24 | 37 | 32 | 33 | 48 | 23 | 8 | 5 | 9 | 6 | 289 |
| America's Historical Newspapers, 1690-1922 [Digital Archive] | 264 | 361 | 358 | 418 | 257 | 269 | 348 | 142 | 336 | 149 | 141 | 232 | 3,275 |
| America's News Magazines (Newsbank) | 202 | 299 | 286 | 349 | 153 | 160 | 187 | 86 | 74 | 34 | 24 | 18 | 1,872 |
| America: History and Life | 436 | 804 | 640 | 839 | 357 | 357 | 312 | 160 | 266 | 115 | 59 | 60 | 4,405 |
| American Broadsides and Ephemera | 58 | 59 | 37 | 48 | 57 | 60 | 55 | 27 | 9 | 11 | 10 | 9 | 440 |
| American Drama (1714-1915) | 79 | 61 | 67 | 56 | 44 | 46 | 61 | 40 | 29 | 25 | 36 | 25 | 569 |
| American Film Institute Catalog | 74 | 77 | 85 | 97 | 54 | 68 | 84 | 50 | 29 | 20 | 9 | 21 | 668 |
| American Geophysical Union e-journals | 71 | 45 | 44 | 56 | 61 | 80 | 73 | 40 | 14 | 10 | 18 | 13 | 525 |
| American Journal of Clinical Pathology * # | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| American Mathematical Society (full text journal articles) | 54 | 48 | 58 | 51 | 36 | 50 | 55 | 33 | 23 | 16 | 36 | 15 | 475 |
| American Medical Association Publications * | 12 | 20 | 10 | 12 | 3 | 2 | 5 | 5 | 13 | 6 | 5 | 7 | 100 |
| American Mineralogist * # | 10 | 15 | 5 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 36 |
| American National Biography Online | 237 | 424 | 287 | 325 | 133 | 174 | 163 | 109 | 190 | 257 | 215 | 139 | 2,653 |
| American Periodicals Series, 1740-1900 | 424 | 382 | 285 | 314 | 236 | 205 | 264 | 165 | 186 | 148 | 176 | 88 | 2,873 |
| American Poetry Database | 122 | 78 | 96 | 94 | 76 | 82 | 89 | 64 | 43 | 38 | 62 | 53 | 897 |
| AMS E-Journals (meteorology) | 78 | 49 | 54 | 64 | 67 | 56 | 79 | 37 | 16 | 13 | 20 | 20 | 553 |
| Annales Geophysicae * # | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Annales Mathematici Polinici * | 5 | 6 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 16 |
| Annee-philologique | 81 | 67 | 72 | 86 | 61 | 52 | 50 | 35 | 17 | 12 | 21 | 17 | 571 |
| Annual Bibliography of English Language and Literature | 83 | 61 | 60 | 71 | 54 | 62 | 58 | 40 | 19 | 22 | 38 | 24 | 592 |
| Annual Reviews | 291 | 460 | 320 | 337 | 238 | 160 | 198 | 128 | 260 | 121 | 108 | 77 | 2,698 |
| Anthropology Plus | 152 | 335 | 190 | 168 | 116 | 113 | 184 | 70 | 82 | 31 | 41 | 27 | 1,509 |
| AnthroSource | 109 | 190 | 126 | 107 | 64 | 59 | 82 | 41 | 23 | 9 | 13 | 10 | 833 |
| Applied Mathematics Research eXpress * # | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Applied Rheology * # | 6 | 11 | 7 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 |
| Applied Science and Technology Abstracts | 205 | 308 | 243 | 202 | 133 | 133 | 168 | 87 | 133 | 28 | 14 | 12 | 1,666 |
| Aquatic Science and Fisheries Abstracts | 167 | 234 | 150 | 163 | 116 | 151 | 137 | 104 | 77 | 73 | 57 | 46 | 1,475 |
| Archive of Americana | 124 | 81 | 60 | 81 | 47 | 46 | 53 | 26 | 16 | 5 | 16 | 8 | 563 |
| ArchiveGrid | 181 | 103 | 98 | 104 | 70 | 86 | 110 | 89 | 54 | 50 | 48 | 50 | 1,043 |
| ArchivesUSA (manuscript collections) | 137 | 116 | 112 | 103 | 74 | 84 | 144 | 87 | 44 | 50 | 48 | 43 | 1,042 |
| Armed Conflict Database | 63 | 80 | 62 | 82 | 61 | 77 | 67 | 56 | 37 | 9 | 14 | 13 | 621 |
| Art Abstracts | 208 | 425 | 295 | 331 | 171 | 128 | 139 | 143 | 135 | 59 | 49 | 27 | 2,110 |
| Art and Archaeology Technical Abstracts | 72 | 87 | 73 | 99 | 58 | 66 | 69 | 45 | 37 | 13 | 12 | 17 | 648 |
| Art History Department Visual Resource Selections * | 56 | 69 | 54 | 50 | 17 | 16 | 27 | 81 | 69 | 131 | 97 | 73 | 740 |
| Art Index Retrospective | 184 | 239 | 174 | 180 | 110 | 96 | 118 | 95 | 74 | 24 | 36 | 23 | 1,353 |
| Art, Architecture, and Landscape Pictures | 159 | 133 | 147 | 123 | 74 | 84 | 86 | 53 | 54 | 54 | 57 | 33 | 1,057 |
| ARTbibliographies Modern | 137 | 164 | 124 | 157 | 89 | 88 | 87 | 60 | 58 | 23 | 28 | 19 | 1,034 |
| ARTFL (French literature) | 84 | 69 | 64 | 71 | 45 | 59 | 74 | 40 | 24 | 19 | 25 | 21 | 595 |
| ARTstor (pictures of art, architecture, and visual culture) | 340 | 385 | 286 | 273 | 140 | 102 | 116 | 50 | 50 | 64 | 51 | 29 | 1,886 |
| ASAE Tech Library | 117 | 90 | 117 | 108 | 77 | 99 | 114 | 91 | 91 | 37 | 42 | 41 | 1,024 |
| Asahi Shinbun * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ASCE Research Library | 113 | 135 | 115 | 147 | 92 | 90 | 100 | 60 | 35 | 32 | 16 | 15 | 950 |
| ASM Handbooks Online | 146 | 153 | 146 | 231 | 124 | 155 | 95 | 60 | 83 | 64 | 73 | 73 | 1,403 |
| ASME Online Journals (mechanical engineering) | 85 | 78 | 68 | 78 | 80 | 76 | 78 | 31 | 21 | 11 | 22 | 13 | 641 |
| Association of Religion Data Archives (ARDA) | 0 | 0 | 0 | 5 | 28 | 42 | 39 | 21 | 7 | 6 | 8 | 9 | 165 |
| Associations Unlimited | 250 | 163 | 82 | 94 | 119 | 91 | 82 | 47 | 49 | 57 | 49 | 41 | 1,124 |
| ASTM Standards | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ASTM Standards * | 201 | 197 | 160 | 173 | 138 | 144 | 124 | 119 | 251 | 186 | 115 | 78 | 1,886 |
| ATLA Religion Database | 0 | 0 | 0 | 0 | 16 | 54 | 57 | 29 | 11 | 3 | 8 | 5 | 183 |
| Avery Index to Architectural Periodicals | 303 | 284 | 276 | 308 | 114 | 123 | 120 | 80 | 190 | 40 | 42 | 25 | 1,905 |
| Baywood Titles * | 1 | 1 | 5 | 1 | 0 | 0 | 2 | 4 | 0 | 0 | 2 | 6 | 22 |
| Beilstein/Gmelin (Chemistry) | 44 | 31 | 31 | 36 | 35 | 58 | 54 | 35 | 12 | 10 | 9 | 11 | 366 |
| Berkeley Electronic Press Journals * | 3 | 8 | 6 | 0 | 1 | 0 | 2 | 1 | 0 | 4 | 2 | 0 | 27 |
| Bible in English | 91 | 70 | 74 | 80 | 65 | 70 | 67 | 53 | 28 | 20 | 36 | 33 | 687 |
| Bibliography of Asian Studies | 143 | 133 | 129 | 183 | 98 | 80 | 98 | 68 | 44 | 28 | 29 | 26 | 1,059 |
| Bibliography of the History of Art | 213 | 236 | 253 | 249 | 134 | 125 | 110 | 80 | 72 | 32 | 40 | 20 | 1,564 |
| Big Ten Library Catalogs | 37 | 36 | 28 | 30 | 36 | 46 | 47 | 22 | 8 | 5 | 5 | 4 | 304 |
| Biochemical Journal * # | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Biography and Genealogy Master Index (BGMI) | 189 | 293 | 214 | 251 | 133 | 162 | 131 | 85 | 95 | 91 | 119 | 85 | 1,848 |
| Biological Abstracts | 599 | 1,022 | 944 | 939 | 412 | 412 | 341 | 227 | 407 | 228 | 60 | 40 | 5,631 |
| Biological and Agricultural Index | 268 | 408 | 332 | 352 | 109 | 124 | 156 | 90 | 145 | 69 | 32 | 26 | 2,111 |
| BioOne * | 31 | 17 | 17 | 11 | 11 | 12 | 18 | 17 | 11 | 14 | 8 | 18 | 185 |
| Black Drama | 79 | 59 | 48 | 65 | 37 | 52 | 52 | 40 | 20 | 20 | 36 | 23 | 531 |
| Blackwell Science/Blackwell Publishing Journals | 367 | 428 | 391 | 471 | 259 | 261 | 298 | 200 | 126 | 143 | 172 | 121 | 3,237 |
| BNA Criminal Law Reporter | 65 | 62 | 66 | 70 | 44 | 55 | 69 | 55 | 21 | 13 | 21 | 12 | 553 |
| BNA Electronic Web Subscriptions | 62 | 58 | 50 | 74 | 49 | 67 | 79 | 60 | 30 | 4 | 13 | 11 | 557 |
| BNA Environment Reporter | 58 | 52 | 50 | 60 | 44 | 60 | 64 | 53 | 17 | 13 | 25 | 11 | 507 |
| BNA Family Law Reporter | 57 | 54 | 50 | 55 | 50 | 56 | 60 | 59 | 13 | 8 | 22 | 8 | 492 |
| BNA Health Law Reporter | 51 | 56 | 63 | 65 | 41 | 55 | 65 | 59 | 18 | 10 | 17 | 11 | 511 |
| BNA Labor and Employment Library | 65 | 72 | 78 | 89 | 65 | 67 | 62 | 54 | 25 | 6 | 15 | 12 | 610 |
| BNA Law resources | 80 | 58 | 76 | 109 | 105 | 50 | 57 | 29 | 9 | 3 | 13 | 6 | 595 |
| Book Review Index | 147 | 237 | 196 | 255 | 150 | 123 | 108 | 100 | 158 | 212 | 173 | 117 | 1,976 |
| British Periodicals * | 0 | 0 | 0 | 4 | 61 | 57 | 59 | 36 | 76 | 17 | 32 | 29 | 371 |
| Brown Women Writers Project | 63 | 52 | 46 | 54 | 35 | 54 | 54 | 34 | 21 | 14 | 36 | 18 | 481 |
| Business Cycle Indicators - U.S. Indicators | 96 | 118 | 109 | 124 | 59 | 67 | 79 | 49 | 21 | 42 | 50 | 19 | 833 |
| CAB Abstracts (Agriculture, nutrition and global health) | 420 | 513 | 426 | 420 | 247 | 218 | 220 | 162 | 242 | 163 | 93 | 72 | 3,196 |
| Cabell's Directory (Business; Education; Psychology) | 0 | 0 | 0 | 0 | 28 | 61 | 66 | 26 | 13 | 11 | 11 | 6 | 222 |
| CALIBER - Journals of the University of California Press * | 7 | 1 | 2 | 3 | 0 | 6 | 5 | 7 | 1 | 1 | 3 | 0 | 36 |
| Cambridge University Press - Electronic Journals | 177 | 132 | 153 | 174 | 101 | 128 | 134 | 61 | 38 | 57 | 62 | 40 | 1,257 |
| CAMIO (Catalog of Art Museum Images Online) | 121 | 167 | 73 | 60 | 63 | 101 | 125 | 72 | 38 | 36 | 39 | 24 | 919 |
| Canadian Journal of Forest Research * # | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Canadian Journal of Zoology * # | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 |
| Canadian Poetry | 56 | 35 | 30 | 42 | 27 | 44 | 65 | 42 | 17 | 10 | 22 | 20 | 410 |
| Cancer Research * # | 6 | 1 | 5 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 16 |
| Capitolwire.Com | 0 | 0 | 0 | 15 | 36 | 56 | 51 | 34 | 13 | 8 | 14 | 15 | 242 |
| CAT - PSU Libraries Web Catalog | 22,005 | 27,228 | 25,743 | 30,669 | 53,471 | 44,968 | 48,030 | 56,957 | 83,252 | 86,123 | 23,511 | 373 | 502,330 |
| Catalog of U.S. Government Publications | 60 | 76 | 50 | 53 | 50 | 96 | 101 | 61 | 53 | 43 | 36 | 12 | 691 |
| CatchWord * | 126 | 126 | 148 | 99 | 87 | 79 | 102 | 86 | 72 | 92 | 92 | 57 | 1,166 |
| CCH Business and Finance Network | 0 | 0 | 0 | 55 | 37 | 53 | 54 | 23 | 13 | 4 | 11 | 15 | 265 |
| CCH Health and Human Resources Network | 26 | 54 | 52 | 53 | 53 | 51 | 51 | 37 | 15 | 6 | 9 | 7 | 414 |
| CCH Tax Research Network | 621 | 111 | 84 | 195 | 123 | 74 | 93 | 84 | 224 | 24 | 12 | 29 | 1,674 |
| CenStats | 74 | 100 | 74 | 93 | 73 | 70 | 67 | 44 | 21 | 21 | 24 | 41 | 702 |
| Center for Research Libraries | 71 | 86 | 59 | 65 | 43 | 61 | 67 | 40 | 24 | 30 | 31 | 32 | 609 |
| Central Daily News * | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Centre Daily Times (1996 - present) | 72 | 144 | 157 | 129 | 64 | 77 | 89 | 49 | 62 | 30 | 8 | 11 | 892 |
| Centre Daily Times Index (1981-2002) | 110 | 90 | 72 | 91 | 78 | 128 | 161 | 83 | 51 | 27 | 28 | 33 | 952 |
| Ceramic Abstracts | 68 | 47 | 41 | 48 | 38 | 61 | 62 | 39 | 12 | 6 | 13 | 12 | 447 |
| CHANT | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 28 | 8 | 3 | 11 | 6 | 88 |
| Chemical Abstracts | 74 | 71 | 54 | 69 | 41 | 57 | 70 | 30 | 12 | 4 | 11 | 7 | 500 |
| Chemical and Engineering News Online * # | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| CHEMnetBASE(chemistry, physics, polymers) | 229 | 272 | 172 | 242 | 156 | 152 | 132 | 89 | 118 | 99 | 128 | 70 | 1,859 |
| Child Abuse, Child Welfare and Adoption | 88 | 63 | 70 | 77 | 36 | 47 | 51 | 30 | 8 | 5 | 9 | 11 | 495 |
| Children's Literature Comprehensive Database | 395 | 1,017 | 1,145 | 1,060 | 301 | 443 | 458 | 265 | 538 | 1,150 | 534 | 461 | 7,767 |
| China Academic Journals (Full text Chinese journal articles) | 106 | 87 | 103 | 148 | 70 | 87 | 83 | 51 | 31 | 28 | 39 | 35 | 868 |
| China Times * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 3 |
| ChoiceReviews online * | 185 | 170 | 146 | 155 | 113 | 107 | 106 | 70 | 48 | 42 | 57 | 50 | 1,249 |
| Chosun Daily * | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Chronicle of Higher Education # | 392 | 413 | 358 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,163 |
| CIAO (International Affairs) | 123 | 147 | 148 | 198 | 87 | 115 | 112 | 70 | 126 | 65 | 77 | 54 | 1,322 |
| CINAHL (nursing and allied health) | 730 | 1,277 | 946 | 813 | 353 | 372 | 445 | 176 | 256 | 111 | 70 | 60 | 5,609 |
| Cities of the World, 6th ed. * # | 7 | 10 | 3 | 3 | 2 | 1 | 1 | 9 | 0 | 0 | 0 | 0 | 36 |
| Civil War Letters and Diaries (U.S.Civil War) | 87 | 61 | 64 | 82 | 58 | 65 | 75 | 42 | 17 | 15 | 16 | 21 | 603 |
| Classical Music Service * | 729 | 748 | 759 | 668 | 369 | 170 | 275 | 259 | 520 | 618 | 571 | 457 | 6,143 |
| Clinical Cancer Research * # | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| Clinical Kinesiology * # | 0 | 1 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
| Columbia Granger's World of Poetry | 34 | 32 | 31 | 34 | 31 | 38 | 47 | 24 | 18 | 10 | 18 | 17 | 334 |
| Communication Abstracts | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Communication and Mass Media Complete | 538 | 1,245 | 1,069 | 1,109 | 320 | 410 | 589 | 321 | 563 | 65 | 19 | 33 | 6,281 |
| Communications in Pure and Applied Analysis * # | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Community Health Database (Southeastern Pennsylvania Household Health Survey) | 45 | 36 | 38 | 48 | 34 | 51 | 62 | 27 | 10 | 7 | 12 | 7 | 377 |
| Community of Science | 68 | 75 | 58 | 58 | 48 | 58 | 59 | 34 | 9 | 8 | 11 | 15 | 501 |
| Compendex (engineering) | 2,382 | 2,867 | 2,660 | 2,570 | 1,874 | 1,834 | 1,823 | 634 | 732 | 235 | 136 | 62 | 17,809 |
| Computer Manuals On-line (Safari) | 861 | 580 | 525 | 547 | 482 | 524 | 455 | 216 | 189 | 322 | 161 | 111 | 4,973 |
| Conference Board's Research Online Collection (business, economics) | 46 | 44 | 51 | 47 | 36 | 51 | 46 | 23 | 21 | 8 | 16 | 10 | 399 |
| Conference Papers Index | 68 | 53 | 52 | 56 | 49 | 77 | 73 | 48 | 15 | 14 | 22 | 19 | 546 |
| Congress Collection (CQ) | 82 | 109 | 86 | 103 | 79 | 97 | 80 | 48 | 36 | 21 | 12 | 6 | 759 |
| Congress Daily * | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Congressional Research Service Reports (Gallerywatch) | 79 | 154 | 85 | 83 | 100 | 67 | 117 | 64 | 28 | 14 | 27 | 15 | 833 |
| Congressional/Legislative Resources (1789-to date) | 89 | 114 | 73 | 108 | 72 | 132 | 99 | 56 | 46 | 13 | 26 | 15 | 843 |
| Constitutions of the Countries of the World | 64 | 53 | 45 | 82 | 43 | 43 | 56 | 38 | 22 | 11 | 5 | 8 | 470 |
| Consumer Health (Medline plus) | 141 | 222 | 276 | 259 | 108 | 148 | 153 | 90 | 145 | 42 | 34 | 24 | 1,642 |
| Contemporary Authors | 240 | 376 | 613 | 348 | 187 | 143 | 152 | 94 | 141 | 137 | 124 | 82 | 2,637 |
| Contemporary Women's Issues | 109 | 195 | 162 | 234 | 98 | 102 | 100 | 73 | 121 | 35 | 27 | 21 | 1,277 |
| Copper Data Center Database | 40 | 18 | 26 | 28 | 24 | 42 | 45 | 24 | 9 | 4 | 10 | 9 | 279 |
| Corpus of Middle English Prose and Verse | 38 | 26 | 24 | 34 | 23 | 42 | 42 | 24 | 8 | 5 | 9 | 8 | 283 |
| Corrosion Abstracts | 58 | 26 | 42 | 38 | 39 | 69 | 63 | 37 | 10 | 13 | 21 | 8 | 424 |
| CQ Electronic Library | 172 | 254 | 283 | 358 | 158 | 129 | 137 | 104 | 142 | 129 | 147 | 149 | 2,162 |
| CQ Researcher (contemporary issues) | 1,064 | 2,987 | 2,706 | 2,759 | 896 | 707 | 1,808 | 885 | 1,863 | 1,015 | 85 | 70 | 16,845 |
| CQ Supreme Court Collection | 125 | 118 | 114 | 106 | 70 | 64 | 72 | 60 | 52 | 19 | 9 | 11 | 820 |
| CQ Voting and Elections Collection | 79 | 76 | 74 | 76 | 45 | 82 | 90 | 44 | 15 | 3 | 16 | 10 | 610 |
| CQ Weekly Reports (Congressional Quarterly) | 84 | 124 | 79 | 104 | 55 | 71 | 89 | 65 | 35 | 15 | 16 | 11 | 748 |
| Criminal Justice Abstracts | 364 | 1,218 | 1,386 | 1,209 | 407 | 319 | 208 | 151 | 390 | 61 | 31 | 26 | 5,770 |
| Criminal Justice:National Criminal Justice Reference Service (NCJRS) | 196 | 580 | 557 | 478 | 170 | 166 | 132 | 119 | 171 | 39 | 19 | 13 | 2,640 |
| Crystallography Journals Online * # | 1 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
| CumInCAD (Computer-Aided Architectural Design) | 0 | 0 | 0 | 0 | 0 | 38 | 41 | 24 | 9 | 3 | 12 | 5 | 132 |
| Current Citations (now TOC Premier) # | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 |
| Current Index to (mathematical) Statistics * | 48 | 32 | 44 | 43 | 29 | 47 | 44 | 36 | 13 | 5 | 9 | 5 | 355 |
| CyberPsychology and Behavior * # | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Daily Collegian (1887-1976) (Digital Archive) | 85 | 99 | 139 | 163 | 111 | 107 | 145 | 66 | 79 | 32 | 13 | 19 | 1,058 |
| Daily Collegian (1988 - present) | 63 | 150 | 125 | 135 | 58 | 108 | 165 | 67 | 46 | 24 | 22 | 16 | 979 |
| Database of Twentieth Century African American Poetry | 53 | 40 | 38 | 52 | 32 | 45 | 50 | 43 | 15 | 13 | 31 | 22 | 434 |
| Datasets for Research | 102 | 80 | 84 | 116 | 71 | 83 | 81 | 45 | 23 | 27 | 38 | 20 | 770 |
| de Gruyter Online Journals * | 8 | 7 | 11 | 13 | 5 | 5 | 16 | 6 | 5 | 2 | 3 | 8 | 89 |
| Declassified Documents Reference System | 48 | 41 | 30 | 47 | 35 | 73 | 62 | 29 | 10 | 9 | 17 | 12 | 413 |
| Dictionary of Art (an illustrated encyclopedia of Art) | 141 | 314 | 187 | 262 | 145 | 113 | 141 | 76 | 79 | 75 | 59 | 42 | 1,634 |
| Dictionary of Literary Biography | 328 | 328 | 373 | 366 | 184 | 160 | 177 | 121 | 153 | 84 | 98 | 111 | 2,483 |
| Dictionary of Substances and their Effects Database * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Digital Library Classic Protestant Texts | 89 | 42 | 57 | 64 | 43 | 61 | 53 | 36 | 22 | 14 | 27 | 22 | 530 |
| Digital library of the Catholic reformation | 30 | 19 | 28 | 30 | 24 | 36 | 42 | 22 | 10 | 10 | 12 | 6 | 269 |
| Digital Music Library * | 1 | 2 | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 9 |
| DigiZeitschriften: The German Digital Journal Archive | 0 | 0 | 0 | 10 | 36 | 54 | 51 | 33 | 15 | 6 | 12 | 14 | 231 |
| Directory of Open Access Journals | 48 | 56 | 46 | 70 | 38 | 52 | 50 | 23 | 15 | 7 | 11 | 10 | 426 |
| Directory of Published Proceedings | 32 | 21 | 25 | 27 | 21 | 38 | 40 | 21 | 9 | 3 | 10 | 6 | 253 |
| Discrete and Continuous Dynamical Systems - Series A * # | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Discrete and Continuous Dynamical Systems - Series B * # | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Dissertation Abstracts | 632 | 696 | 562 | 540 | 428 | 424 | 539 | 224 | 239 | 122 | 116 | 82 | 4,604 |
| DOE Information Bridge (technical reports) | 63 | 55 | 46 | 81 | 74 | 86 | 80 | 61 | 34 | 11 | 16 | 15 | 622 |
| Duke Mathematical Journal * # | 1 | 2 | 3 | 2 | 3 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 19 |
| DYABOLA | 66 | 57 | 47 | 37 | 25 | 49 | 44 | 31 | 15 | 8 | 12 | 7 | 398 |
| E-Journal Title Search | 218 | 266 | 231 | 277 | 170 | 175 | 208 | 76 | 48 | 46 | 53 | 54 | 1,822 |
| E-STAT (Canadian Statistics) | 52 | 31 | 36 | 34 | 26 | 36 | 47 | 34 | 12 | 11 | 19 | 13 | 351 |
| E-ZBorrow(PALCI) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Early American Fiction 1789-1875 | 64 | 39 | 37 | 35 | 33 | 52 | 65 | 35 | 17 | 17 | 30 | 17 | 441 |
| Early American Imprints II: Shaw-Shoemaker 1801-1819 | 73 | 60 | 48 | 54 | 42 | 49 | 54 | 53 | 42 | 17 | 32 | 18 | 542 |
| Early American Imprints Series I. Evans (1639-1800) | 115 | 121 | 97 | 173 | 98 | 93 | 98 | 54 | 37 | 26 | 38 | 38 | 988 |
| Early American Imprints Text Creation Partnership | 44 | 25 | 25 | 40 | 30 | 50 | 55 | 45 | 15 | 11 | 28 | 20 | 388 |
| Early American Newspapers, 1690-1876 (now: America's Historial Newspapers) | 92 | 89 | 55 | 75 | 46 | 67 | 65 | 32 | 31 | 23 | 24 | 11 | 610 |
| Early English Books Online (EEBO) | 201 | 237 | 208 | 203 | 192 | 173 | 195 | 96 | 57 | 75 | 82 | 80 | 1,799 |
| Early english books online - text creation partnership | 49 | 32 | 38 | 52 | 45 | 62 | 57 | 37 | 19 | 10 | 21 | 21 | 443 |
| Early English Prose Fiction (1500-1700) | 59 | 39 | 35 | 33 | 37 | 54 | 61 | 38 | 13 | 14 | 24 | 18 | 425 |
| Ebsco Host Databases | 445 | 606 | 740 | 753 | 343 | 368 | 478 | 54 | 24 | 7 | 33 | 23 | 3,874 |
| Ecology Abstracts | 49 | 60 | 69 | 59 | 38 | 58 | 54 | 24 | 8 | 5 | 10 | 8 | 442 |
| EconLit (economics) | 281 | 387 | 324 | 369 | 233 | 193 | 216 | 136 | 162 | 114 | 79 | 79 | 2,573 |
| Economic Geography * # | 5 | 9 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 |
| Editions and Adaptations of Shakespeare | 49 | 44 | 35 | 47 | 35 | 56 | 72 | 40 | 18 | 22 | 32 | 27 | 477 |
| EDP Sciences * | 8 | 5 | 7 | 2 | 4 | 1 | 4 | 4 | 2 | 4 | 0 | 0 | 41 |
| EDRS | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 2 | 7 |
| Education Abstracts Full Text [Wilson] | 846 | 1,317 | 1,013 | 1,095 | 391 | 782 | 833 | 323 | 744 | 143 | 83 | 39 | 7,609 |
| Education Complete (Proquest) # | 10 | 18 | 11 | 14 | 5 | 1 | 3 | 7 | 2 | 0 | 0 | 0 | 71 |
| Education Databases [including ERIC] | 518 | 745 | 684 | 693 | 344 | 417 | 399 | 119 | 105 | 75 | 63 | 37 | 4,199 |
| Education Finance and Policy * | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 4 |
| Educator's Reference Desk * | 18 | 10 | 7 | 9 | 6 | 5 | 8 | 3 | 1 | 3 | 5 | 3 | 78 |
| Eighteenth Century Collections Online (ECCO) # | 194 | 231 | 230 | 307 | 213 | 180 | 129 | 83 | 22 | 0 | 0 | 0 | 1,589 |
| Eighteenth Century Fiction | 65 | 37 | 33 | 46 | 38 | 50 | 60 | 39 | 26 | 12 | 30 | 24 | 460 |
| Eighteenth Century Journals II | 13 | 30 | 68 | 85 | 46 | 50 | 59 | 30 | 9 | 4 | 10 | 7 | 411 |
| Electronic Reserves | 1,414 | 1,289 | 813 | 769 | 363 | 590 | 508 | 573 | 228 | 73 | 86 | 87 | 6,793 |
| Electronic Theses and Dissertations | 96 | 64 | 69 | 83 | 59 | 62 | 71 | 47 | 24 | 18 | 29 | 14 | 636 |
| Electronic Theses and Dissertations Resources | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Elsevier ScienceDirect (full text journal articles) | 933 | 931 | 829 | 774 | 626 | 702 | 614 | 196 | 110 | 132 | 120 | 103 | 6,070 |
| Elsevier ScienceDirect Web Editions (full text journal articles) * | 419 | 363 | 317 | 309 | 251 | 229 | 215 | 264 | 248 | 216 | 144 | 106 | 3,081 |
| Empire Online, 1492-1969 | 77 | 74 | 67 | 66 | 49 | 51 | 56 | 44 | 23 | 18 | 21 | 11 | 557 |
| Encyclopaedia of Islam | 0 | 0 | 0 | 0 | 16 | 55 | 50 | 27 | 46 | 10 | 11 | 16 | 231 |
| Encyclopedia of African-American Culture and History, 2nd ed. * # | 3 | 0 | 13 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 20 |
| Encyclopedia of Agricultural, Food, and Biological Engineering * | 12 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 25 |
| Encyclopedia of American Studies | 124 | 118 | 116 | 142 | 66 | 84 | 72 | 53 | 51 | 78 | 55 | 44 | 1,003 |
| Encyclopedia of Animal Science * | 9 | 10 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 4 | 30 |
| Encyclopedia of Distance Learning * | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Encyclopedia of Forest Science * # | 29 | 33 | 25 | 19 | 11 | 12 | 19 | 23 | 3 | 0 | 0 | 0 | 174 |
| Encyclopedia of Genetics * | 53 | 54 | 57 | 56 | 22 | 17 | 26 | 31 | 43 | 54 | 23 | 16 | 452 |
| Encyclopedia of International Media and Communications | 125 | 161 | 194 | 221 | 75 | 90 | 76 | 70 | 81 | 46 | 38 | 27 | 1,204 |
| Encyclopedia of Pest Management * | 14 | 9 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 28 |
| Encyclopedia of Philosophy, 2nd ed. * # | 7 | 3 | 0 | 3 | 12 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 26 |
| Encyclopedia of Plant and Crop Science * | 11 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 26 |
| Encyclopedia of Public Administration | 44 | 47 | 26 | 29 | 24 | 35 | 37 | 12 | 7 | 2 | 8 | 4 | 275 |
| Encyclopedia of Soil Science * | 9 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 21 |
| Encyclopedia of Water Science * | 11 | 9 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 27 |
| Energy Citations Database (nuclear, fossil fuels, renewable, etc.) | 89 | 112 | 98 | 127 | 76 | 106 | 95 | 89 | 74 | 40 | 29 | 25 | 960 |
| Engineered Materials Abstracts | 85 | 62 | 61 | 66 | 52 | 75 | 81 | 38 | 13 | 7 | 16 | 11 | 567 |
| English Drama (1280-1915) | 81 | 82 | 46 | 58 | 38 | 59 | 74 | 39 | 16 | 31 | 30 | 25 | 579 |
| English Poetry, Second Edition | 128 | 60 | 58 | 84 | 58 | 57 | 62 | 50 | 26 | 11 | 38 | 24 | 656 |
| English Short Title Catalogue | 83 | 71 | 64 | 72 | 42 | 81 | 93 | 44 | 18 | 13 | 21 | 18 | 620 |
| ENGnetBASE(engineering handbooks) | 226 | 191 | 189 | 178 | 111 | 188 | 148 | 105 | 163 | 131 | 76 | 75 | 1,781 |
| Environment and Planning * | 11 | 12 | 6 | 3 | 0 | 2 | 3 | 0 | 6 | 1 | 3 | 0 | 47 |
| Environmental Engineering Abstracts | 52 | 75 | 39 | 44 | 35 | 54 | 54 | 27 | 14 | 7 | 8 | 8 | 417 |
| Environmental Sciences and Pollution Management | 279 | 418 | 475 | 466 | 175 | 169 | 220 | 140 | 262 | 112 | 55 | 40 | 2,811 |
| ERIC Databases (Educational Resources Information Center) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ERIC Digest | 25 | 41 | 21 | 6 | 1 | 6 | 6 | 0 | 6 | 4 | 1 | 1 | 118 |
| ERIC Search Page * | 400 | 738 | 661 | 667 | 250 | 357 | 395 | 121 | 222 | 198 | 151 | 70 | 4,230 |
| ERIC via CSA * | 1,381 | 2,494 | 2,219 | 2,289 | 971 | 1,228 | 1,350 | 453 | 649 | 561 | 384 | 247 | 14,226 |
| ERL Databases # | 65 | 66 | 61 | 67 | 40 | 45 | 63 | 24 | 1 | 0 | 0 | 0 | 432 |
| Ethnic NewsWatch | 128 | 153 | 163 | 171 | 86 | 106 | 131 | 86 | 67 | 55 | 55 | 50 | 1,251 |
| European Union Databases * | 12 | 8 | 8 | 20 | 22 | 23 | 27 | 16 | 12 | 13 | 8 | 3 | 172 |
| Evolutionary Ecology Research * # | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Extenza * | 3 | 4 | 6 | 4 | 0 | 4 | 4 | 3 | 5 | 4 | 5 | 2 | 44 |
| FBIS (Foreign Broadcast Information Service) | 40 | 28 | 22 | 37 | 31 | 35 | 46 | 23 | 9 | 5 | 9 | 7 | 292 |
| Federal R and D Project Summaries (grants) | 40 | 24 | 24 | 29 | 28 | 46 | 36 | 20 | 14 | 4 | 11 | 8 | 284 |
| FIAF International FilmArchive Database | 66 | 75 | 100 | 94 | 54 | 56 | 71 | 50 | 26 | 21 | 26 | 17 | 656 |
| Film and Television Literature Index (1987-to date) | 91 | 112 | 162 | 184 | 92 | 87 | 123 | 58 | 55 | 27 | 16 | 17 | 1,024 |
| Film Literature Index (1976-2001) | 95 | 101 | 153 | 160 | 94 | 68 | 98 | 50 | 50 | 32 | 22 | 20 | 943 |
| Final Exam Schedules for University Park # | 51 | 37 | 51 | 65 | 45 | 47 | 59 | 30 | 7 | 0 | 0 | 0 | 392 |
| First Break * # | 7 | 11 | 4 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 25 |
| Food Science and Technology Abstracts | 187 | 137 | 164 | 173 | 143 | 177 | 138 | 76 | 68 | 22 | 12 | 8 | 1,305 |
| FRANCIS | 84 | 68 | 55 | 54 | 37 | 48 | 75 | 43 | 10 | 8 | 13 | 7 | 502 |
| Fundamenta Mathematicae * # | 5 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 |
| Gale Virtual Reference Library | 1,057 | 1,963 | 1,441 | 1,847 | 743 | 532 | 631 | 843 | 2,532 | 3,336 | 1,730 | 1,173 | 17,828 |
| Gallerywatch (Federal Budget and Bill Tracking) | 63 | 48 | 42 | 46 | 55 | 47 | 65 | 40 | 21 | 8 | 10 | 10 | 455 |
| Gallup Brain | 119 | 294 | 147 | 132 | 68 | 59 | 64 | 39 | 51 | 61 | 46 | 24 | 1,104 |
| GDF Online (Global Development Finance Online) | 54 | 36 | 38 | 43 | 32 | 61 | 48 | 31 | 19 | 24 | 13 | 12 | 411 |
| Gender Watch | 175 | 219 | 185 | 276 | 102 | 105 | 113 | 77 | 125 | 68 | 29 | 25 | 1,499 |
| General Music Today * | 10 | 10 | 5 | 2 | 0 | 0 | 1 | 1 | 3 | 1 | 1 | 1 | 35 |
| GEOBASE | 263 | 274 | 334 | 434 | 176 | 197 | 132 | 87 | 286 | 81 | 71 | 63 | 2,398 |
| GEOBIB (Online Geographical Bibliography) | 40 | 23 | 34 | 35 | 26 | 36 | 44 | 26 | 10 | 2 | 6 | 10 | 292 |
| Geological Society of America journals online | 98 | 57 | 52 | 62 | 37 | 45 | 43 | 30 | 16 | 12 | 8 | 8 | 468 |
| GeoRef (geoscience literature) | 887 | 718 | 586 | 580 | 341 | 389 | 403 | 264 | 402 | 152 | 137 | 101 | 4,960 |
| GeoScience World | 0 | 0 | 0 | 33 | 44 | 61 | 62 | 34 | 18 | 6 | 14 | 17 | 289 |
| GLBT Life | 99 | 87 | 100 | 177 | 60 | 93 | 71 | 54 | 50 | 14 | 10 | 11 | 826 |
| Goethe's Werke * | 3 | 0 | 0 | 0 | 1 | 1 | 1 | 4 | 1 | 0 | 1 | 1 | 13 |
| GPO Access * | 76 | 50 | 63 | 76 | 39 | 61 | 73 | 46 | 26 | 14 | 13 | 19 | 556 |
| GrayLIT Network (technical reports) | 53 | 30 | 29 | 39 | 30 | 47 | 48 | 25 | 11 | 9 | 7 | 10 | 338 |
| Grove Art Online | 153 | 92 | 89 | 127 | 78 | 85 | 64 | 44 | 53 | 60 | 79 | 34 | 958 |
| Grove Music Online | 209 | 171 | 148 | 323 | 147 | 106 | 95 | 46 | 86 | 71 | 48 | 59 | 1,509 |
| Guangming Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Guide To Computing Literature | 93 | 108 | 79 | 62 | 41 | 59 | 67 | 32 | 55 | 6 | 14 | 6 | 622 |
| Guide to International Statistics * # | 6 | 11 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 |
| Guides to Microforms | 105 | 54 | 42 | 42 | 36 | 47 | 50 | 38 | 23 | 28 | 14 | 22 | 501 |
| Gutenberg-e | 106 | 90 | 101 | 101 | 58 | 72 | 60 | 49 | 55 | 35 | 56 | 48 | 831 |
| Handbook of Latin American Studies * | 13 | 14 | 12 | 34 | 9 | 5 | 13 | 10 | 10 | 2 | 0 | 0 | 122 |
| HAPI (Hispanic American Periodicals Index) | 57 | 80 | 72 | 115 | 38 | 51 | 49 | 45 | 28 | 19 | 8 | 14 | 576 |
| Health and Psychosocial Instruments (HaPI) | 125 | 169 | 134 | 138 | 71 | 87 | 114 | 49 | 42 | 26 | 27 | 19 | 1,001 |
| Health and Safety Science Abstracts | 119 | 145 | 129 | 173 | 72 | 84 | 131 | 64 | 30 | 24 | 19 | 17 | 1,007 |
| HeinOnline | 198 | 193 | 179 | 204 | 187 | 211 | 203 | 127 | 97 | 102 | 116 | 39 | 1,856 |
| Highwire * | 94 | 97 | 86 | 60 | 45 | 48 | 56 | 49 | 42 | 69 | 69 | 39 | 754 |
| Historic Documents Series Online | 118 | 158 | 153 | 186 | 90 | 81 | 70 | 37 | 52 | 32 | 59 | 42 | 1,078 |
| Historical Abstracts | 206 | 295 | 302 | 315 | 177 | 131 | 131 | 82 | 118 | 63 | 29 | 27 | 1,876 |
| Historical Statistics of the United States | 160 | 168 | 158 | 152 | 60 | 78 | 76 | 66 | 69 | 43 | 73 | 34 | 1,137 |
| History Cooperative | 103 | 145 | 158 | 159 | 100 | 77 | 86 | 65 | 52 | 30 | 22 | 22 | 1,019 |
| History E-Book Project (ACLS) | 256 | 213 | 232 | 211 | 121 | 120 | 94 | 64 | 73 | 70 | 91 | 64 | 1,609 |
| History of Science, Technology and Medicine | 97 | 124 | 84 | 94 | 67 | 71 | 100 | 53 | 52 | 25 | 15 | 15 | 797 |
| Homeland Security Digital Library | 51 | 49 | 48 | 72 | 59 | 98 | 126 | 59 | 14 | 8 | 7 | 9 | 600 |
| Hoover's Online (Company Information) | 1,425 | 2,092 | 2,105 | 2,598 | 1,045 | 924 | 869 | 433 | 346 | 583 | 320 | 206 | 12,946 |
| Horn Book Guide Online (Children's Book Reviews) | 160 | 404 | 391 | 342 | 122 | 123 | 106 | 56 | 130 | 291 | 114 | 124 | 2,363 |
| HRAF-Human Relations Area Files (anthropology/archaeology) | 145 | 148 | 323 | 402 | 89 | 125 | 119 | 81 | 84 | 59 | 44 | 42 | 1,661 |
| HSRPROJ (health services grants and contracts) | 29 | 25 | 25 | 28 | 33 | 72 | 84 | 37 | 12 | 6 | 8 | 7 | 366 |
| HSTAT (clinical practice guidelines, treatment protocols) | 38 | 36 | 39 | 55 | 38 | 49 | 47 | 24 | 10 | 5 | 11 | 3 | 355 |
| Human Population and Natural Resources Management | 49 | 44 | 45 | 47 | 28 | 50 | 50 | 28 | 14 | 6 | 16 | 10 | 387 |
| IBIDS (Dietary supplements database) | 55 | 42 | 42 | 64 | 34 | 58 | 63 | 49 | 15 | 10 | 17 | 14 | 463 |
| IBISWorld | 0 | 0 | 188 | 379 | 170 | 123 | 137 | 76 | 215 | 149 | 156 | 123 | 1,716 |
| IBZ (International Bibliography of Periodical Literature) | 83 | 93 | 84 | 80 | 65 | 74 | 73 | 48 | 29 | 18 | 21 | 18 | 686 |
| ICPSR (Inter-university Consortium for Political and Social Research) | 111 | 293 | 177 | 89 | 82 | 59 | 60 | 39 | 19 | 12 | 15 | 13 | 969 |
| IEEE Electronic Library (IEEEXplore) | 1,202 | 1,373 | 1,273 | 1,341 | 861 | 853 | 953 | 225 | 235 | 144 | 83 | 62 | 8,605 |
| Image Databases @ Penn State | 73 | 51 | 35 | 59 | 27 | 57 | 53 | 26 | 15 | 6 | 9 | 9 | 420 |
| In Vitro Cellular and Development Biology - Animal * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Index of Christian Art | 59 | 64 | 42 | 41 | 30 | 49 | 53 | 39 | 17 | 12 | 15 | 16 | 437 |
| Index to Foreign Legal Periodicals | 29 | 40 | 40 | 39 | 54 | 50 | 61 | 45 | 17 | 8 | 8 | 6 | 397 |
| Index to Legal Periodicals Full-Text | 50 | 69 | 88 | 89 | 125 | 109 | 71 | 49 | 32 | 8 | 10 | 5 | 705 |
| Index to Theses * | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 12 | 11 | 3 | 6 | 4 | 39 |
| Index Translationum | 35 | 24 | 26 | 32 | 26 | 46 | 43 | 26 | 9 | 9 | 12 | 14 | 302 |
| Information Science and Technology Abstracts (LISTA) | 79 | 81 | 61 | 67 | 53 | 53 | 61 | 25 | 30 | 17 | 14 | 9 | 550 |
| informaworld | 0 | 0 | 0 | 0 | 0 | 37 | 72 | 39 | 19 | 5 | 6 | 10 | 188 |
| Ingenta | 222 | 251 | 193 | 202 | 162 | 161 | 261 | 100 | 40 | 53 | 57 | 56 | 1,758 |
| INSPEC | 422 | 520 | 449 | 520 | 383 | 313 | 312 | 162 | 191 | 65 | 53 | 30 | 3,420 |
| InterAM Database (National Law Center for Inter-American Free Trade) | 54 | 43 | 26 | 41 | 30 | 50 | 58 | 49 | 15 | 6 | 11 | 9 | 392 |
| Interface * # | 2 | 3 | 7 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 15 |
| International Encyclopedia of Social and Behavioral Sciences | 306 | 475 | 380 | 497 | 246 | 258 | 277 | 153 | 182 | 59 | 65 | 36 | 2,934 |
| International Financial Statistics Online | 79 | 153 | 115 | 98 | 55 | 80 | 84 | 42 | 37 | 45 | 45 | 28 | 861 |
| International Index to Black Periodicals Full Text | 122 | 118 | 144 | 204 | 117 | 125 | 116 | 109 | 85 | 46 | 40 | 32 | 1,258 |
| International Index to Music Periodicals | 130 | 208 | 290 | 243 | 123 | 114 | 162 | 92 | 297 | 85 | 73 | 58 | 1,875 |
| International Index to the Performing Arts | 70 | 63 | 97 | 110 | 54 | 56 | 82 | 47 | 45 | 32 | 10 | 19 | 685 |
| International Journal of Engineering Education * # | 1 | 7 | 7 | 4 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 25 |
| International Journal of Entrepreneurship Education * # | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| International Journal of Mathematics and Mathematical Sciences * # | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| International Journal of the Sociology of Language * # | 1 | 0 | 0 | 0 | 0 | 4 | 5 | 1 | 1 | 0 | 0 | 0 | 12 |
| International Law in Domestic Courts | 31 | 33 | 37 | 41 | 39 | 44 | 60 | 37 | 11 | 7 | 7 | 8 | 355 |
| International Mathematics Research Notices * # | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| International Medieval Bibliography | 73 | 77 | 90 | 80 | 44 | 57 | 68 | 50 | 29 | 28 | 39 | 43 | 678 |
| International Statistics and Data * | 7 | 14 | 12 | 7 | 10 | 6 | 7 | 4 | 4 | 2 | 1 | 2 | 76 |
| Internet Movie Database * | 6 | 20 | 25 | 11 | 10 | 13 | 10 | 11 | 13 | 7 | 5 | 3 | 134 |
| IOP E-Journals (physics) | 147 | 96 | 76 | 101 | 78 | 109 | 109 | 63 | 36 | 34 | 24 | 21 | 894 |
| iPoll | 65 | 81 | 200 | 141 | 135 | 73 | 79 | 55 | 41 | 47 | 49 | 23 | 989 |
| ITER:Gateway to the Middle Ages and Renaissance | 84 | 69 | 83 | 77 | 49 | 82 | 77 | 51 | 31 | 18 | 31 | 28 | 680 |
| JACIC Online Technical Information * # | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Japan Times * | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 6 |
| JapanKnowledge | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 25 | 9 | 2 | 8 | 6 | 90 |
| Johns Hopkins Guide to Literary Theory and Criticism | 108 | 90 | 97 | 136 | 63 | 72 | 95 | 60 | 38 | 39 | 59 | 60 | 917 |
| Joong-Ang * | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| Journal of American Ceramic Society * # | 1 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
| Journal of Applied Mathematics * # | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| Journal of Applied Mathematics and Stochastic Analysis * # | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Journal of Chemical Education * # | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
| Journal of Computational Biology * # | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Journal of Food Science * # | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Journal of Insect Science * # | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Journal of Materials Research * # | 6 | 2 | 4 | 2 | 2 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 25 |
| Journal of Multilingual and Multicultural Development * # | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Journal of Park and Recreation Administration * # | 10 | 15 | 2 | 7 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 37 |
| Journal of School Nursing * # | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Journal of Universal Computer Science * | 0 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 8 |
| JSTOR (full text journal articles) | 3,859 | 5,587 | 6,314 | 8,329 | 4,115 | 2,858 | 2,460 | 873 | 805 | 693 | 601 | 487 | 36,981 |
| Kirk-Othmer Encyclopedia of Chemical Technology | 49 | 65 | 78 | 88 | 36 | 60 | 48 | 32 | 17 | 9 | 44 | 10 | 536 |
| Kluwer Online | 310 | 234 | 211 | 219 | 213 | 200 | 168 | 127 | 165 | 154 | 153 | 87 | 2,241 |
| Knovel (engineering and science handbooks) | 0 | 0 | 22 | 221 | 54 | 100 | 143 | 35 | 18 | 17 | 10 | 9 | 629 |
| Kraus Curriculum Development Library(KCDL)Online * | 143 | 137 | 86 | 86 | 70 | 74 | 102 | 53 | 56 | 32 | 46 | 19 | 904 |
| Language Testing * # | 2 | 1 | 1 | 4 | 2 | 2 | 10 | 4 | 1 | 0 | 0 | 0 | 27 |
| LEA Online * | 23 | 19 | 21 | 20 | 18 | 6 | 21 | 22 | 22 | 11 | 16 | 12 | 211 |
| LegalTrac | 190 | 222 | 226 | 299 | 154 | 103 | 126 | 146 | 113 | 44 | 47 | 14 | 1,684 |
| Lexikon des Mittelalters Online | 44 | 26 | 24 | 33 | 33 | 37 | 42 | 23 | 10 | 5 | 10 | 5 | 292 |
| LexisNexis Academic Universe | 3,772 | 6,395 | 6,056 | 6,607 | 2,606 | 2,758 | 2,694 | 1,494 | 3,033 | 2,662 | 1,020 | 667 | 39,764 |
| LexisNexis Congressional Universe | 255 | 341 | 248 | 278 | 196 | 213 | 233 | 120 | 81 | 60 | 83 | 76 | 2,184 |
| LexisNexis Legislative Histories * # | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Lianhe News * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Libraries by Geographic Location | 38 | 20 | 41 | 47 | 34 | 50 | 47 | 29 | 16 | 5 | 9 | 6 | 342 |
| Library and Information Science Abstracts (LISA) | 72 | 60 | 67 | 90 | 64 | 70 | 89 | 25 | 10 | 3 | 6 | 6 | 562 |
| Library Literature | 184 | 186 | 180 | 224 | 177 | 131 | 161 | 46 | 38 | 13 | 12 | 8 | 1,360 |
| Library of Latin texts: CLCLT # | 49 | 35 | 48 | 47 | 32 | 40 | 50 | 21 | 3 | 0 | 0 | 0 | 325 |
| Library Worklife * | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| Linguistics and Language Behavior Abstracts | 343 | 549 | 624 | 667 | 359 | 331 | 298 | 154 | 112 | 52 | 56 | 38 | 3,583 |
| Literary Theory | 69 | 81 | 68 | 105 | 68 | 56 | 61 | 37 | 21 | 13 | 34 | 31 | 644 |
| Literature Online | 392 | 509 | 574 | 668 | 279 | 251 | 231 | 133 | 277 | 217 | 226 | 190 | 3,947 |
| LLMC Digital (Law Library Microform Consortium) | 0 | 0 | 0 | 61 | 43 | 50 | 50 | 33 | 15 | 8 | 12 | 15 | 287 |
| Mainichi Shinbun * | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 |
| Making of Modern Law: Legal Treatises 1800-1926 | 48 | 39 | 42 | 53 | 45 | 66 | 52 | 41 | 13 | 14 | 9 | 8 | 430 |
| Materials Business File | 36 | 30 | 31 | 34 | 23 | 39 | 49 | 23 | 11 | 6 | 8 | 3 | 293 |
| Materials Science | 162 | 170 | 138 | 163 | 105 | 126 | 159 | 73 | 50 | 61 | 61 | 41 | 1,309 |
| Materials Technology * | 1 | 0 | 0 | 4 | 1 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | 11 |
| Mathematica Journal * # | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Mathematical Problems in Engineering * # | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| MathSciNet | 297 | 278 | 271 | 288 | 230 | 222 | 308 | 194 | 221 | 160 | 164 | 103 | 2,736 |
| MBS ONLINE (International Statistics) | 63 | 52 | 45 | 51 | 44 | 54 | 54 | 34 | 17 | 12 | 23 | 18 | 467 |
| MD-Consult | 437 | 557 | 471 | 548 | 327 | 249 | 283 | 198 | 312 | 139 | 80 | 58 | 3,659 |
| Media Law Reporter (BNA) | 0 | 0 | 0 | 0 | 17 | 59 | 56 | 40 | 26 | 19 | 9 | 9 | 235 |
| Medianet (Penn State's Audiovisual Database) | 290 | 216 | 210 | 194 | 118 | 193 | 169 | 150 | 120 | 119 | 108 | 79 | 1,966 |
| MediaTech * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Medical Sciences-ProQuest Nursing Journals * | 94 | 133 | 131 | 101 | 25 | 64 | 44 | 17 | 9 | 5 | 9 | 4 | 636 |
| Medieval Feminist Index (now Feminae:Medieval Women and Gender Index) | 83 | 69 | 63 | 103 | 59 | 101 | 111 | 91 | 19 | 14 | 11 | 6 | 730 |
| Medline (PubMed) | 1,640 | 1,867 | 1,745 | 1,675 | 770 | 842 | 857 | 476 | 1,119 | 503 | 246 | 133 | 11,873 |
| Mental Measurements Yearbook | 102 | 223 | 215 | 390 | 172 | 95 | 103 | 70 | 84 | 29 | 50 | 31 | 1,564 |
| MergentOnline (company information) | 302 | 506 | 473 | 633 | 214 | 224 | 217 | 156 | 188 | 365 | 281 | 177 | 3,736 |
| Metacritic * | 5 | 8 | 10 | 12 | 11 | 11 | 6 | 9 | 4 | 1 | 3 | 1 | 81 |
| METADEX (Metals) | 94 | 79 | 91 | 119 | 73 | 95 | 93 | 61 | 27 | 12 | 15 | 7 | 766 |
| MetaPress * | 122 | 95 | 103 | 81 | 74 | 74 | 87 | 46 | 49 | 54 | 26 | 25 | 836 |
| Meteorological and Geoastrophysical Abstracts | 82 | 109 | 82 | 98 | 54 | 79 | 79 | 43 | 31 | 29 | 20 | 18 | 724 |
| MicroFinder | 62 | 64 | 75 | 93 | 48 | 62 | 82 | 56 | 20 | 7 | 10 | 9 | 588 |
| Middle English Dictionary | 57 | 36 | 30 | 36 | 28 | 47 | 54 | 29 | 17 | 8 | 17 | 15 | 374 |
| Ming Pao Daily News * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mintel Reports | 136 | 171 | 161 | 318 | 162 | 86 | 121 | 61 | 156 | 81 | 178 | 191 | 1,822 |
| MIT CogNet | 154 | 167 | 147 | 186 | 106 | 116 | 105 | 78 | 103 | 65 | 90 | 65 | 1,382 |
| MIT Sloan Management Review * # | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
| MLA International Bibliography | 811 | 1,055 | 1,232 | 1,669 | 717 | 434 | 468 | 213 | 360 | 160 | 149 | 149 | 7,417 |
| MRS Bulletin * # | 3 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 |
| MUSE (Alumni Access) * | 88 | 75 | 78 | 71 | 37 | 49 | 34 | 34 | 79 | 60 | 74 | 53 | 732 |
| MUSE (full text journal articles) | 1,008 | 1,502 | 1,618 | 2,003 | 918 | 673 | 692 | 362 | 653 | 378 | 352 | 281 | 10,440 |
| 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 | 137 | 211 | 203 | 225 | 88 | 91 | 108 | 58 | 83 | 47 | 23 | 23 | 1,297 |
| Nanfang Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| NASA ADS (Astrophysics Data System) | 46 | 49 | 53 | 75 | 61 | 43 | 73 | 25 | 31 | 9 | 4 | 20 | 489 |
| NASA Technical Report Server | 61 | 46 | 49 | 62 | 60 | 68 | 83 | 44 | 42 | 19 | 22 | 22 | 578 |
| NASPA Journal * # | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| National Journal | 135 | 170 | 196 | 204 | 96 | 109 | 122 | 64 | 75 | 18 | 25 | 9 | 1,223 |
| National Journal's Technology Daily * | 0 | 2 | 4 | 3 | 1 | 12 | 10 | 5 | 8 | 8 | 2 | 1 | 56 |
| Nature * # | 40 | 31 | 32 | 16 | 16 | 19 | 5 | 0 | 0 | 0 | 0 | 0 | 159 |
| Naxos Music Library * | 547 | 471 | 404 | 499 | 296 | 244 | 175 | 241 | 510 | 747 | 538 | 404 | 5,076 |
| NBER Working Paper Series * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 0 | 7 |
| netLibrary (full text e-books) | 831 | 878 | 838 | 808 | 554 | 431 | 428 | 309 | 577 | 624 | 487 | 356 | 7,121 |
| Networked Digital Library of Theses and Dissertations (NDLTD) * | 22 | 11 | 21 | 27 | 14 | 15 | 16 | 22 | 10 | 13 | 13 | 5 | 189 |
| New Grove Dictionary of Music and Musicians (now called Grove Music Online) | 247 | 294 | 204 | 306 | 149 | 101 | 163 | 103 | 79 | 89 | 81 | 115 | 1,931 |
| New Pauly Online | 0 | 0 | 0 | 0 | 14 | 35 | 55 | 22 | 10 | 3 | 8 | 6 | 153 |
| New York Times Historical (1851-2004) | 868 | 1,176 | 1,131 | 1,360 | 414 | 462 | 572 | 207 | 597 | 387 | 222 | 179 | 7,575 |
| NewsBank Full Text Newspapers (America's Newspapers) | 827 | 1,488 | 1,082 | 1,256 | 638 | 746 | 912 | 323 | 634 | 600 | 414 | 298 | 9,218 |
| Newsbank: Electronic Image Newspapers | 292 | 236 | 231 | 244 | 134 | 156 | 205 | 105 | 118 | 92 | 68 | 59 | 1,940 |
| Newspaper Photos (AccuNet/AP Photo Archive) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nineteenth-Century Fiction | 68 | 50 | 41 | 45 | 41 | 51 | 49 | 41 | 26 | 23 | 33 | 25 | 493 |
| Ninhon Keizai Shinbun * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| NLM Gateway (National Library of Medicine) | 149 | 164 | 161 | 163 | 102 | 139 | 127 | 94 | 123 | 50 | 32 | 38 | 1,342 |
| North American Women's Letters and Diaries | 59 | 84 | 62 | 76 | 52 | 61 | 66 | 47 | 25 | 16 | 18 | 21 | 587 |
| NoveList (fiction) | 111 | 137 | 91 | 141 | 72 | 87 | 117 | 64 | 39 | 34 | 46 | 40 | 979 |
| NTIS (engineering, science and social sciences) # | 235 | 252 | 269 | 236 | 226 | 304 | 225 | 113 | 22 | 0 | 0 | 0 | 1,882 |
| Nursing Databases | 139 | 262 | 223 | 189 | 75 | 137 | 109 | 43 | 13 | 9 | 19 | 10 | 1,228 |
| O'Connor/Yeager Collection * | 17 | 15 | 5 | 7 | 2 | 5 | 5 | 2 | 1 | 3 | 3 | 1 | 66 |
| Oceanic Abstracts | 64 | 43 | 40 | 42 | 40 | 61 | 69 | 35 | 15 | 9 | 16 | 16 | 450 |
| OCLC (FirstSearch databases) | 57 | 45 | 47 | 45 | 40 | 50 | 65 | 26 | 9 | 7 | 10 | 7 | 408 |
| Odum Institute's Public Opinion Poll Question Database | 31 | 19 | 27 | 35 | 24 | 33 | 44 | 21 | 10 | 2 | 8 | 2 | 256 |
| OED Online (Oxford English Dictionary) | 931 | 989 | 905 | 970 | 602 | 540 | 636 | 332 | 417 | 460 | 465 | 378 | 7,625 |
| Old English Corpus | 64 | 43 | 36 | 47 | 31 | 47 | 58 | 31 | 26 | 16 | 35 | 24 | 458 |
| Opposing Viewpoints Resource Center | 961 | 2,428 | 2,596 | 3,121 | 882 | 396 | 1,512 | 848 | 1,609 | 1,123 | 210 | 126 | 15,812 |
| Oral History Online | 66 | 61 | 53 | 61 | 57 | 47 | 56 | 45 | 16 | 5 | 10 | 6 | 483 |
| OT BibSys (Occupational Therapy Bibliographic System) | 78 | 83 | 86 | 57 | 45 | 60 | 62 | 43 | 27 | 18 | 21 | 18 | 598 |
| Oxford African American Studies Center (AASC) | 39 | 25 | 41 | 59 | 28 | 37 | 49 | 25 | 11 | 2 | 9 | 8 | 333 |
| Oxford Dictionary of National Biography | 216 | 240 | 317 | 246 | 176 | 142 | 154 | 83 | 112 | 129 | 105 | 91 | 2,011 |
| Oxford Index * | 38 | 27 | 37 | 37 | 20 | 27 | 26 | 21 | 22 | 24 | 19 | 21 | 319 |
| Oxford Reference Online | 0 | 56 | 520 | 488 | 228 | 201 | 236 | 158 | 468 | 608 | 447 | 390 | 3,800 |
| OxResearch (business, economics, politics) | 0 | 0 | 10 | 140 | 87 | 88 | 84 | 55 | 56 | 11 | 9 | 12 | 552 |
| Papers of the NAACP * | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 14 | 16 | 9 | 45 |
| PapersFirst (conference papers) | 69 | 56 | 56 | 52 | 45 | 58 | 55 | 33 | 15 | 20 | 20 | 17 | 496 |
| Past Masters (full text philosophy books) | 187 | 182 | 210 | 202 | 167 | 155 | 130 | 117 | 123 | 112 | 155 | 93 | 1,833 |
| Patents, U.S. and Foreign | 98 | 84 | 83 | 108 | 91 | 105 | 102 | 54 | 42 | 28 | 16 | 14 | 825 |
| Patrologia Latina (history of Latin Christianity) | 67 | 47 | 54 | 61 | 46 | 64 | 53 | 53 | 24 | 14 | 15 | 16 | 514 |
| Pennsylvania Civil War Newspapers [Digital Archive] | 78 | 77 | 68 | 74 | 63 | 81 | 96 | 56 | 115 | 89 | 30 | 42 | 869 |
| Pennsylvania German Broadsides and Fraktur * | 18 | 13 | 6 | 2 | 9 | 5 | 9 | 2 | 9 | 6 | 3 | 6 | 88 |
| Pennsylvania History Pictorial Collections | 62 | 61 | 45 | 46 | 57 | 55 | 69 | 32 | 16 | 15 | 11 | 14 | 483 |
| Pennsylvania History: A Journal of Mid-Atlantic Studies * | 3 | 1 | 3 | 5 | 0 | 4 | 13 | 5 | 4 | 12 | 31 | 14 | 95 |
| Pennsylvania Statistics and Data * | 5 | 11 | 11 | 10 | 14 | 9 | 10 | 7 | 4 | 2 | 0 | 1 | 84 |
| People's Daily * | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 |
| Periodicals Archive Online | 122 | 123 | 124 | 125 | 70 | 77 | 88 | 54 | 35 | 43 | 42 | 40 | 943 |
| Periodicals Index Online | 107 | 84 | 96 | 108 | 56 | 63 | 79 | 39 | 23 | 18 | 20 | 12 | 705 |
| Philosopher's Index | 220 | 225 | 255 | 264 | 215 | 162 | 151 | 90 | 100 | 34 | 37 | 25 | 1,778 |
| Phytopathology * # | 1 | 1 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
| Pike and Fischer Communications Regulations | 73 | 51 | 54 | 48 | 45 | 61 | 50 | 37 | 16 | 13 | 10 | 9 | 467 |
| PILOTS (Published International Literature on Tramatic Stress) | 0 | 0 | 0 | 70 | 72 | 58 | 68 | 43 | 43 | 10 | 11 | 17 | 392 |
| Plant Disease * # | 6 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 |
| Plant Management Network | 49 | 37 | 41 | 51 | 29 | 42 | 42 | 27 | 11 | 8 | 13 | 14 | 364 |
| Plunkett Research Online (Industry information) | 402 | 507 | 449 | 686 | 275 | 283 | 243 | 178 | 268 | 464 | 374 | 225 | 4,354 |
| PolicyFile (Public Policy Research and Analysis) | 129 | 190 | 146 | 201 | 110 | 91 | 133 | 90 | 104 | 55 | 48 | 32 | 1,329 |
| Political Handbook of the World * | 27 | 24 | 25 | 32 | 10 | 4 | 6 | 10 | 61 | 9 | 14 | 55 | 277 |
| Political Parties of the World * | 17 | 13 | 8 | 3 | 4 | 0 | 1 | 5 | 6 | 1 | 6 | 38 | 102 |
| Political Risk Yearbook | 112 | 108 | 192 | 148 | 60 | 86 | 155 | 60 | 98 | 55 | 65 | 50 | 1,189 |
| Polling the Nations | 114 | 105 | 84 | 0 | 0 | 27 | 92 | 47 | 24 | 23 | 21 | 17 | 554 |
| Pollution Abstracts | 57 | 58 | 61 | 74 | 50 | 76 | 88 | 55 | 14 | 13 | 22 | 16 | 584 |
| PopLINE (reproductive health literature) * | 0 | 0 | 2 | 10 | 8 | 4 | 8 | 10 | 4 | 0 | 0 | 2 | 48 |
| Praeger Security International Online | 0 | 0 | 0 | 13 | 66 | 68 | 73 | 67 | 28 | 20 | 11 | 15 | 361 |
| PressDisplay Electronic Image Databases | 395 | 458 | 481 | 470 | 341 | 349 | 337 | 212 | 257 | 211 | 125 | 124 | 3,760 |
| Proceedings of the National Academy of Sciences * | 2 | 6 | 4 | 7 | 6 | 5 | 1 | 6 | 2 | 7 | 3 | 5 | 54 |
| ProceedingsFirst (conference papers) | 54 | 50 | 46 | 38 | 38 | 54 | 59 | 28 | 10 | 7 | 25 | 10 | 419 |
| Professional Development Collection (Education) | 532 | 889 | 536 | 516 | 228 | 462 | 524 | 163 | 371 | 76 | 33 | 29 | 4,359 |
| Project Euclid (mathematics journals) | 44 | 34 | 35 | 36 | 27 | 47 | 42 | 27 | 10 | 6 | 7 | 3 | 318 |
| ProQuest ABI (Alumni Access) * | 78 | 68 | 79 | 58 | 42 | 53 | 88 | 80 | 80 | 51 | 50 | 42 | 769 |
| ProQuest Direct (newspapers, magazines, business) | 13,679 | 29,323 | 27,468 | 34,049 | 12,997 | 8,018 | 10,004 | 5,229 | 14,130 | 10,327 | 2,286 | 2,030 | 169,540 |
| ProQuest National Newspapers | 960 | 1,768 | 1,629 | 1,826 | 712 | 558 | 710 | 331 | 794 | 788 | 530 | 365 | 10,971 |
| ProQuest National Newspapers (Alumni Access) * | 97 | 65 | 69 | 66 | 20 | 24 | 44 | 57 | 60 | 24 | 28 | 18 | 572 |
| Proquest National Newspapers and Research Library Complete * # | 8 | 8 | 5 | 2 | 2 | 1 | 1 | 7 | 0 | 0 | 0 | 0 | 34 |
| ProQuest Online Research Library (Alumni Access) * | 249 | 256 | 265 | 211 | 120 | 152 | 125 | 180 | 257 | 235 | 181 | 139 | 2,370 |
| ProQuest Psychology Journals * | 1,027 | 1,867 | 1,773 | 2,333 | 774 | 685 | 534 | 333 | 987 | 209 | 108 | 68 | 10,698 |
| ProQuest Research Library * | 108 | 493 | 290 | 382 | 87 | 48 | 65 | 40 | 306 | 237 | 132 | 75 | 2,263 |
| PsycARTICLES * | 816 | 1,689 | 1,248 | 1,493 | 531 | 510 | 441 | 332 | 732 | 218 | 145 | 91 | 8,246 |
| Psychology Databases | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| PsycINFO | 6,319 | 11,068 | 9,096 | 10,604 | 4,940 | 4,280 | 3,949 | 1,714 | 2,420 | 869 | 510 | 353 | 56,122 |
| Quarterly Journal of Ideology * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 5 |
| RareBooks.Info | 34 | 38 | 34 | 47 | 36 | 45 | 46 | 26 | 9 | 4 | 7 | 6 | 332 |
| RedLightGreen * # | 18 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 |
| Reference Universe | 77 | 105 | 93 | 95 | 61 | 61 | 79 | 41 | 12 | 5 | 11 | 3 | 643 |
| Regular and Chaotic Dynamics * | 0 | 3 | 2 | 3 | 6 | 7 | 5 | 3 | 6 | 2 | 4 | 1 | 42 |
| Reuters Research On-Demand (formerly Multex) | 703 | 895 | 731 | 1,021 | 516 | 500 | 505 | 297 | 426 | 568 | 499 | 246 | 6,907 |
| RIA Checkpoint (Business: AICPA and FASB) | 38 | 36 | 39 | 41 | 31 | 44 | 46 | 36 | 22 | 12 | 13 | 13 | 371 |
| RIA Checkpoint (Tax) | 57 | 55 | 54 | 28 | 26 | 45 | 48 | 36 | 12 | 18 | 8 | 7 | 394 |
| RILM Abstracts (musical literature) | 166 | 141 | 154 | 155 | 72 | 85 | 122 | 66 | 73 | 19 | 14 | 29 | 1,096 |
| RIPM: Retrospective Index to Music Periodicals (1800-1950) | 57 | 50 | 35 | 39 | 25 | 37 | 43 | 25 | 22 | 13 | 13 | 11 | 370 |
| Risk Abstracts | 74 | 57 | 54 | 69 | 49 | 82 | 96 | 53 | 28 | 22 | 20 | 16 | 620 |
| RLG Cultural Material | 87 | 91 | 48 | 55 | 43 | 57 | 52 | 32 | 9 | 15 | 12 | 8 | 509 |
| RLG Union Catalog (RLIN) | 301 | 66 | 137 | 134 | 115 | 129 | 174 | 61 | 42 | 43 | 47 | 40 | 1,289 |
| Rock's Backpages | 47 | 57 | 95 | 41 | 27 | 40 | 40 | 21 | 9 | 4 | 9 | 6 | 396 |
| Rocky Mountain Mathematics Consortium * | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 |
| Roget's Thesaurus | 42 | 48 | 42 | 29 | 46 | 83 | 90 | 40 | 9 | 5 | 8 | 7 | 449 |
| Rotten Tomatoes * | 4 | 21 | 29 | 21 | 12 | 8 | 9 | 9 | 11 | 3 | 1 | 0 | 128 |
| Royal Society of Chemistry E-Journals | 110 | 93 | 65 | 91 | 67 | 70 | 103 | 38 | 18 | 24 | 20 | 20 | 719 |
| Royal Society of Chemistry Specialist Periodical Reports * | 4 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 3 | 0 | 1 | 11 |
| Russian Newspapers | 100 | 99 | 83 | 121 | 77 | 100 | 111 | 58 | 31 | 30 | 31 | 12 | 853 |
| Sage Full-Text Journal Collections | 234 | 292 | 290 | 429 | 200 | 181 | 163 | 109 | 94 | 35 | 24 | 20 | 2,071 |
| Sage Race Relations Abstracts | 0 | 0 | 0 | 0 | 0 | 27 | 43 | 13 | 9 | 2 | 10 | 6 | 110 |
| Science of Synthesis (Chemistry) | 74 | 73 | 53 | 80 | 50 | 88 | 83 | 44 | 19 | 10 | 19 | 11 | 604 |
| ScienceCareers.Org | 51 | 48 | 32 | 38 | 35 | 51 | 52 | 23 | 12 | 6 | 20 | 13 | 381 |
| Scientific American Archive Online * | 47 | 47 | 59 | 47 | 51 | 52 | 20 | 43 | 56 | 45 | 29 | 39 | 535 |
| Scientific Net Account Access * | 9 | 17 | 6 | 18 | 12 | 15 | 68 | 6 | 17 | 15 | 21 | 9 | 213 |
| SciFinder Scholar (chemistry) | 88 | 78 | 68 | 61 | 37 | 87 | 67 | 40 | 9 | 4 | 11 | 6 | 556 |
| Serial Set (U.S. Congressional Digital Collection 1789-1969) | 61 | 22 | 23 | 36 | 29 | 41 | 50 | 28 | 11 | 3 | 13 | 13 | 330 |
| Serial Set Maps * | 58 | 35 | 29 | 13 | 14 | 20 | 11 | 16 | 10 | 7 | 12 | 6 | 231 |
| SIAM journals (Society of Industrial and Applied Mathematics) | 59 | 51 | 43 | 39 | 43 | 51 | 48 | 30 | 17 | 14 | 41 | 23 | 459 |
| SIAM's Online Journal Archive (Locus) | 35 | 22 | 35 | 40 | 29 | 41 | 47 | 28 | 9 | 4 | 12 | 6 | 308 |
| Sing Tao Daily * | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 |
| SME Quarterlies * | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 1 | 8 |
| Smithsonian Global Sound * | 253 | 121 | 194 | 168 | 45 | 31 | 34 | 39 | 83 | 99 | 69 | 66 | 1,202 |
| Social Services Abstracts | 69 | 98 | 100 | 89 | 46 | 67 | 70 | 26 | 24 | 4 | 11 | 8 | 612 |
| Society of Petroleum Engineers eLibrary | 77 | 90 | 91 | 97 | 92 | 81 | 77 | 56 | 21 | 8 | 16 | 9 | 715 |
| Sociological Abstracts | 654 | 1,460 | 1,266 | 1,379 | 630 | 673 | 495 | 252 | 517 | 165 | 92 | 69 | 7,652 |
| Sociometrics Social Science Electronic Data Library (SSEDL) | 54 | 53 | 61 | 58 | 26 | 53 | 50 | 27 | 16 | 3 | 9 | 8 | 418 |
| SodaPop | 53 | 41 | 47 | 71 | 52 | 55 | 45 | 26 | 9 | 3 | 6 | 13 | 421 |
| SourceOECD (economic policy) | 172 | 182 | 234 | 213 | 117 | 112 | 127 | 104 | 158 | 110 | 117 | 79 | 1,725 |
| SPIE Digital Library | 82 | 59 | 92 | 77 | 62 | 93 | 82 | 33 | 9 | 7 | 12 | 8 | 616 |
| SPIN Database (physics) | 78 | 77 | 46 | 69 | 51 | 56 | 86 | 59 | 25 | 12 | 8 | 13 | 580 |
| SPORT Discus | 379 | 412 | 339 | 463 | 180 | 132 | 186 | 126 | 262 | 51 | 10 | 12 | 2,552 |
| Sports Business Resource Network (SBRnet) | 92 | 91 | 76 | 88 | 69 | 84 | 80 | 52 | 45 | 27 | 36 | 26 | 766 |
| Springer-Verlag Journals (full text science articles) | 406 | 332 | 311 | 330 | 250 | 264 | 258 | 113 | 63 | 81 | 67 | 52 | 2,527 |
| SRDS (Standard Rate and Data Service) | 81 | 61 | 74 | 73 | 48 | 63 | 67 | 43 | 25 | 16 | 10 | 11 | 572 |
| Staff College Automated Military Periodicals Index (SCAMPI) | 28 | 23 | 32 | 31 | 23 | 47 | 58 | 34 | 9 | 3 | 10 | 7 | 305 |
| Standard and Poor's NetAdvantage | 814 | 1,158 | 1,038 | 1,189 | 574 | 561 | 495 | 296 | 542 | 672 | 605 | 389 | 8,333 |
| Stanford Encyclopedia of Philosophy * | 33 | 30 | 20 | 31 | 30 | 40 | 47 | 28 | 10 | 13 | 11 | 6 | 299 |
| STAT-USA Internet | 105 | 127 | 108 | 129 | 77 | 93 | 105 | 57 | 37 | 55 | 67 | 33 | 993 |
| State Capital Universe (now LexisNexis State Capital) # | 202 | 263 | 221 | 227 | 133 | 142 | 138 | 92 | 94 | 26 | 17 | 6 | 1,561 |
| Statistical Universe (now LexisNexis Statistical) # | 265 | 505 | 391 | 431 | 241 | 240 | 280 | 158 | 173 | 129 | 54 | 33 | 2,900 |
| Statistics and Data Web Page * | 13 | 15 | 22 | 21 | 31 | 16 | 18 | 13 | 12 | 6 | 3 | 5 | 175 |
| STATRef (nursing, biomedical books) | 167 | 162 | 172 | 196 | 102 | 129 | 108 | 106 | 151 | 83 | 91 | 93 | 1,560 |
| SUR, 1931-1992 * | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 4 |
| Sustainability Science Abstracts | 41 | 43 | 34 | 35 | 24 | 40 | 38 | 22 | 10 | 3 | 7 | 6 | 303 |
| TableBase (business/marketing) | 319 | 453 | 378 | 425 | 180 | 196 | 214 | 138 | 272 | 209 | 154 | 105 | 3,043 |
| Television News Archive (Vanderbilt) | 80 | 73 | 100 | 91 | 61 | 62 | 68 | 39 | 30 | 12 | 5 | 10 | 631 |
| The Borges Electronic Resources * | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 0 | 7 |
| The Nation Digital Archive (1865- | 113 | 76 | 84 | 95 | 67 | 81 | 98 | 53 | 22 | 17 | 20 | 24 | 750 |
| The Online Journal of Knowledge Synthesis for Nursing * # | 0 | 0 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 |
| The Prokaryotes | 88 | 78 | 82 | 102 | 44 | 65 | 85 | 72 | 54 | 22 | 24 | 17 | 733 |
| The Royal Society Online Journals * | 23 | 4 | 2 | 14 | 2 | 1 | 0 | 1 | 0 | 5 | 2 | 23 | 77 |
| Thesaurus Linguae Graecae | 63 | 67 | 66 | 77 | 68 | 56 | 63 | 41 | 15 | 16 | 26 | 13 | 571 |
| Times of London, 1785-1985 (Digital Archive) | 118 | 136 | 141 | 261 | 115 | 103 | 98 | 58 | 57 | 64 | 33 | 69 | 1,253 |
| Times of London, Palmer's Index, 1790-1905 | 109 | 85 | 103 | 100 | 73 | 100 | 112 | 73 | 40 | 32 | 31 | 33 | 891 |
| TIPS - DIAL ACCESS | 402 | 557 | 502 | 493 | 278 | 70 | 83 | 233 | 797 | 524 | 274 | 293 | 4,506 |
| TLS Centenary Archive | 85 | 61 | 72 | 65 | 44 | 70 | 73 | 42 | 26 | 33 | 45 | 41 | 657 |
| TOCS-IN | 54 | 41 | 39 | 43 | 26 | 41 | 39 | 24 | 19 | 14 | 9 | 9 | 358 |
| Toxicology Abstracts | 30 | 34 | 31 | 42 | 40 | ||||||||