Book 256,802 Thesis 235,734 Electronic 525 Book Chapter 339 Government Document 338 Manuscript 271 Conference Proceeding 66 Musical Score 57 Serial 27 Kit 17 Journal 14 Audio 7 Reference Material 6 Unknown 3 Map 2 Photo 2 Article 1 Newspaper 1 Physical Object 1 see all ...

P - Language and Literature 20,791 B - Philosophy, Psychology, Religion 14,755 K - Law 13,373 H - Social Science 13,206 D - World History 9,582 Q - Science 9,111 J - Political Science 4,242 N - Fine Arts 3,971 L - Education 3,092 T - Technology 2,948 M - Music 2,382 G - Geography, Anthropology, Recreation 1,957 R - Medicine 1,910 A - General Works 1,476 Z - Library Science 1,391 F - General American History 1,388 S - Agriculture 1,076 E - United States History 811 C - Historical Sciences 456 U - Military Science 425 V - Naval Science 98 see all ...

Inter-university Consortium for Political and Social Research 6,456 University of Pennsylvania Medical Dissertation Digital Library 1,044 Harvard Law School 894 John F. Kennedy School of Government 748 Massachusetts Institute of Technology Department of Architecture 744 Harvard University Department of Anthropology 536 Royal College of Physicians of London 518 CBS News 265 ABC News 250 Massachusetts Institute of Technology Department of Electrical Engineering and Computer Science 177 Université de Paris 175 George Clapp Vaillant Book Fund 171 Massachusetts Institute of Technology Department of Mechanical Engineering 160 Thomas J. Watson, Jr. Institute for International Studies (Brown University) Development Studies Program 160 Horace Howard Furness Memorial Library (University of Pennsylvania) 150 Harvard University Graduate School of Arts and Sciences 144 Raudenbush, Stephen W 134 Sampson, Robert J 134 Earls, Felton 133 Brooks-Gunn, Jeanne 132 Harvard University Graduate School of Design 128 Fiske Icelandic Collection 119 Uppsala universitet 113 Alumni and Friends Memorial Book Fund 107 Harvard University Continuing Education Division 107 Geological Survey (U.S.) 106 Anne and Joseph Trachtman Memorial Book Fund 98 Culture Class Collection (University of Pennsylvania) 97 History of Medicine Collection (David M. Rubenstein Rare Book & Manuscript Library) 96 Class of 1932 Fund 89 see all ...

English 110,504 German 80,982 Latin 21,007 French 18,386 Spanish 9,004 Dutch 5,544 Hebrew 3,586 Swedish 3,113 Italian 1,182 Chinese 1,118 Arabic 736 Portuguese 702 Ancient Greek 672 Danish 657 Turkish 614 Finnish 591 Greek 517 Korean 461 Undetermined 405 Polish 186 Russian 177 Urdu 175 Croatian 139 Afrikaans 119 Norwegian 94 Sanskrit 82 Japanese 76 Old French 66 Hungarian 53 Middle High German 50 see all ...

20th century 3,590 19th century 2,991 1900-1999 2,473 18th century 1,201 1800-1899 1,190 17th century 763 To 1500 697 Early works to 1800 695 1700-1799 682 16th century 559 1900 - 1999 546 1724-1804 456 21st century 361 1564-1616 337 1600-1699 322 1939-1945 313 1800-1999 309 Early modern, 1500-1700 304 30-600 303 1800 - 1899 289 20e siècle 287 1500-1599 285 Middle High German, 1050-1500 282 active 12th century 280 1945- 279 Middle Ages, 600-1500 272 1225?-1274 269 1914-1918 267 Middle English, 1100-1500 248 Early church, ca. 30-600 245 see all ...

Germany 17,743 United States 6,844 France 6,653 Switzerland 4,272 Germany (West) 3,236 Mexico 2,612 Sweden 2,195 Netherlands 2,047 Europe 1,530 China 1,411 Italy 1,372 Great Britain 1,356 Israel 1,278 Greece 1,117 Colombia 1,083 Rome 951 Allemagne 913 Spain 863 Turkey 799 England 608 India 605 Egypt 597 Austria 566 Finland 553 Poland 527 European Union countries 513 Soviet Union 495 Indonesia 482 Japan 462 Palestine 431 see all ...