Book 393,750 Government Document 11,489 Serial 9,387 Conference Proceeding 8,773 Electronic 8,509 Thesis 8,133 Journal 6,302 Kit 2,830 Manuscript 2,801 Map 1,505 Book Chapter 1,022 Photo 718 Musical Score 602 Unknown 400 Reference Material 286 Newspaper 105 Audio 94 Article 43 Physical Object 15 see all ...

B - Philosophy, Psychology, Religion 71,682 Q - Science 41,094 H - Social Science 38,071 P - Language and Literature 33,623 D - World History 23,060 R - Medicine 15,658 T - Technology 14,384 F - General American History 10,847 K - Law 10,796 N - Fine Arts 10,037 L - Education 9,076 J - Political Science 7,609 G - Geography, Anthropology, Recreation 7,091 E - United States History 6,182 Z - Library Science 5,709 S - Agriculture 3,110 M - Music 3,043 A - General Works 2,883 U - Military Science 2,545 C - Historical Sciences 2,119 V - Naval Science 536 see all ...

De Gruyter 2,967 SpringerLink (Online service) 2,946 Service Center for Chinese Publications 2,055 ebrary, Inc 1,685 University of Chicago Digital Preservation Collection 1,598 Tao, Zongyi, active 1360-1368 1,300 Tao, Ting 1,296 Hebrew Manuscripts (Columbia University. Libraries) 740 ProQuest (Firm) 709 American Council of Learned Societies 683 Yarnall Collection (University of Pennsylvania) 659 NetLibrary, Inc 650 National Institute on Drug Abuse 578 United States National Bureau of Standards 559 Adam Matthew Digital (Firm) 530 Immigration Collection of Prescott Farnsworth Hall (Harvard College Library) 490 Army War College (U.S.) Strategic Studies Institute 481 Rand Corporation 470 International Monetary Fund 447 Taylor & Francis eBooks 441 George Clapp Vaillant Book Fund 421 International Monetary Fund Research Department 413 National Cancer Institute (U.S.) 380 Project Muse 376 World Health Organization 362 International Agency for Research on Cancer 354 John F. Kennedy School of Government Research Programs 353 Julio Mario Santo Domingo Collection 349 Taylor & Francis 325 United States Women's Bureau 324 see all ...

English 322,600 German 31,751 French 17,476 Chinese 15,560 Spanish 11,390 Latin 6,937 Italian 5,116 Russian 5,008 Portuguese 3,582 Hebrew 2,541 Korean 2,496 Ancient Greek 2,474 Japanese 2,230 Arabic 2,118 Dutch 1,711 Polish 890 Swedish 712 Undetermined 707 Greek 605 Czech 580 Ukrainian 575 Danish 558 Yiddish 549 Hungarian 512 Multiple 451 Sanskrit 409 Akkadian 366 Persian 348 Syriac 312 Norwegian 291 see all ...

Electronic books 53,752 History 29,626 Criticism, interpretation, etc 13,767 Congresses 12,113 Biography 10,038 Periodicals 10,008 Conference papers and proceedings 9,514 Biographies 6,494 Catalogs 5,521 Sources 5,102 Bibliography 4,987 Early works to 1800 4,771 Electronic book 4,618 Commentaries 3,456 Early works 3,247 Dictionaries 3,091 Statistics 3,010 Electronic journals 2,765 Sermons 2,663 Bibliographies 2,496 Broadsides 2,479 reference 2,268 referencia 2,268 référence bibliographique 2,267 Exhibitions 2,209 Case studies 2,205 Poetry 2,145 Academic theses 2,127 Congrès 2,106 Fiction 2,082 see all ...

20th century 13,239 19th century 8,507 1900-1999 5,671 1800-1899 2,918 21st century 2,359 18th century 2,265 17th century 2,218 20e siècle 1,887 1914-1918 1,686 20e siècle 1,407 Cultural Revolution, 1966-1976 1,261 16th century 1,238 To 1500 1,165 Primitive and early church, ca. 30-600 1,160 1900 - 1999 1,103 2000-2099 1,064 1945- 1,000 19e siècle 945 Early works to 1800 927 Early church, ca. 30-600 847 1700-1799 799 Civil War, 1861-1865 799 19e siècle 694 1600-1699 651 30-600 644 1800-1999 633 Since 1945 579 Middle Ages, 600-1500 570 1939-1945 488 1483-1546 481 see all ...

United States 37,689 China 10,490 Great Britain 8,555 India 6,714 England 6,013 Germany 5,440 New York (State) 5,055 France 4,623 États-Unis 4,151 États-Unis 4,099 Europe 4,047 Japan 3,545 New York 3,457 Italy 2,975 Mexico 2,969 Massachusetts 2,773 Brazil 2,652 USA 2,568 Australia 2,392 Canada 2,163 Greece 2,135 Soviet Union 1,901 Rome 1,695 Middle East 1,686 Africa 1,675 Spain 1,660 Egypt 1,650 California 1,647 Cuba 1,554 Asia 1,526 see all ...