Journal 559,629 Serial 441,530 Government Document 84,605 Book 31,042 Electronic 20,724 Newspaper 6,418 Conference Proceeding 5,794 Kit 1,291 Reference Material 709 Article 640 Unknown 565 Thesis 182 Map 142 Manuscript 116 Book Chapter 105 Audio 49 Musical Score 41 Photo 31 Physical Object 16 see all ...

H - Social Science 180,645 P - Language and Literature 65,628 D - World History 57,211 Q - Science 47,925 T - Technology 37,078 B - Philosophy, Psychology, Religion 33,649 R - Medicine 30,909 K - Law 29,999 A - General Works 25,746 N - Fine Arts 24,660 Z - Library Science 24,099 L - Education 22,717 J - Political Science 21,060 S - Agriculture 16,411 G - Geography, Anthropology, Recreation 15,270 F - General American History 13,817 M - Music 13,534 C - Historical Sciences 7,064 E - United States History 7,049 U - Military Science 6,277 V - Naval Science 1,594 see all ...

Datamonitor (Firm) 6,944 Federal Financial Institutions Examination Council (U.S.) 6,719 United States Bureau of Labor Statistics 5,415 United States Bureau of the Census 4,609 Adam Matthew Digital (Firm) 4,241 Harris Collection of American Poetry and Plays (Brown University) Periodicals 4,196 Gotham Book Mart Collection (University of Pennsylvania) 3,237 Economist Intelligence Unit (Great Britain) 2,759 United States Internal Revenue Service 1,985 Mortgage Insurance Companies of America 1,904 Organisation for Economic Co-operation and Development 1,565 Statistical Office of the European Communities 1,330 United States Bureau of Mines 1,230 United States Department of Agriculture. Economic Research Service 1,209 Vale Zines Collection (Beinecke Rare Book and Manuscript Library) 1,156 United States Agricultural Research Service 1,104 Geological Survey (U.S.) 1,068 Julio Mario Santo Domingo Collection 1,027 United States Social Security Administration 1,022 National Climatic Center 1,005 National Climatic Data Center (U.S.) 1,004 International Monetary Fund 988 Germany (West) Statistisches Bundesamt 981 Institute of Electrical and Electronics Engineers 978 Edwin and Terry Murray Collection (David M. Rubenstein Rare Book & Manuscript Library) 976 United States Joint Publications Research Service 859 United States Foreign Broadcast Information Service 779 Centre national de la recherche scientifique (France) 722 Rosengarten Family Fund 712 Sallie Bingham Center for Women's History and Culture 703 see all ...

English 673,463 French 70,508 German 55,103 Spanish 54,152 Chinese 49,220 Russian 33,416 Hebrew 25,900 Japanese 21,333 Italian 18,406 Indonesian 13,861 Portuguese 13,116 Arabic 10,708 Korean 7,246 Polish 6,937 Dutch 6,874 Multiple 5,250 Yiddish 4,958 Turkish 4,858 Ukrainian 4,607 Persian 4,277 Czech 3,871 Swedish 3,035 Greek 2,948 Romanian 2,925 Danish 2,590 Hungarian 2,482 Thai 2,333 Croatian 2,317 Vietnamese 1,849 Urdu 1,730 see all ...

20th century 28,538 1900-1999 7,242 1945- 6,627 21st century 5,987 19th century 5,243 1900 - 1999 4,683 18th century 3,333 Since 1945 2,631 2000-2099 1,927 1800-1899 1,573 1991- 1,529 1945-1989 1,478 1989- 1,418 1960- 1,272 Civil War, 1642-1649 1,152 Early works to 1800 1,069 1918-1945 904 1975- 850 Revolution, 1789-1799 788 1990- 774 1918- 765 1980- 724 1976- 711 1700-1799 693 Civil War, 1861-1865 691 1900-2099 656 20e siècle 656 1642-1649 649 1939-1945 624 1976-2000 613 see all ...

United States 117,828 China 31,669 Israel 22,341 Great Britain 18,796 Japan 15,660 New York (State) 15,006 Canada 14,317 Indonesia 14,101 France 12,817 India 12,365 Germany 12,064 California 11,172 Europe 8,821 Russia (Federation) 8,025 Soviet Union 7,975 Italy 7,312 Argentina 7,037 Massachusetts 7,017 Brazil 6,790 England 6,520 Australia 6,385 Mexico 6,214 Nigeria 6,142 Latin America 6,062 Poland 5,753 New York 5,700 Africa 5,597 Pennsylvania 5,359 Spain 5,288 Turkey 5,119 see all ...