H - Social Science 85,454 P - Language and Literature 48,633 D - World History 38,840 Q - Science 36,631 A - General Works 28,105 T - Technology 26,671 B - Philosophy, Psychology, Religion 25,718 R - Medicine 24,598 K - Law 20,577 N - Fine Arts 17,798 Z - Library Science 13,962 L - Education 13,478 J - Political Science 11,098 S - Agriculture 10,087 G - Geography, Anthropology, Recreation 9,963 M - Music 9,943 F - General American History 9,482 C - Historical Sciences 4,932 E - United States History 4,659 U - Military Science 3,935 V - Naval Science 924 see all ...

Harris Collection of American Poetry and Plays (Brown University) Periodicals 4,582 Gotham Book Mart Collection (University of Pennsylvania) 2,600 United States Bureau of the Census 2,050 Economist Intelligence Unit (Great Britain) 1,950 Adam Matthew Digital (Firm) 1,463 Vale Zines Collection (Beinecke Rare Book and Manuscript Library) 1,236 Edwin and Terry Murray Collection (David M. Rubenstein Rare Book & Manuscript Library) 952 Julio Mario Santo Domingo Collection 913 United States Bureau of Labor Statistics 760 Institute of Electrical and Electronics Engineers 727 United States Joint Publications Research Service 704 United States Foreign Broadcast Information Service 612 Centre national de la recherche scientifique (France) 583 Sallie Bingham Center for Women's History and Culture 578 National Climatic Data Center (U.S.) 551 Akademii︠a︡ nauk SSSR 529 Statistical Office of the European Communities 522 Rosengarten Family Fund 504 Riewert Tode Collection of German Student Movements and Counter-Culture 487 Zhongguo ren min da xue Shu bao zi liao zhong xin 487 United States Department of Agriculture. Economic Research Service 475 Human Rights Archive (Duke University) 469 United States Weather Bureau 457 Schlesinger Library Zine Collection 453 Southern Poverty Law Center Intelligence Project Collection 450 United States Bureau of Agricultural Economics 446 American Institute of Physics 444 United States Foreign Agricultural Service 436 National Climatic Center 411 JSTOR (Organization) 400 see all ...

English 567,603 French 61,521 Chinese 49,951 German 48,290 Spanish 41,732 Russian 26,429 Japanese 19,026 Italian 16,763 Portuguese 11,039 Korean 9,269 Arabic 8,287 Indonesian 6,925 Dutch 6,139 Polish 5,644 Hebrew 5,078 Persian 3,913 Turkish 3,850 Multiple 3,746 Czech 3,350 Ukrainian 3,262 Greek 2,560 Romanian 2,518 Swedish 2,485 Croatian 2,003 Hungarian 2,003 Danish 1,926 Thai 1,801 Vietnamese 1,719 Undetermined 1,581 Urdu 1,434 see all ...

Periodicals 571,414 Periodical 38,915 Electronic journals 37,190 Statistics 19,564 Périodiques 18,565 Périodiques 15,465 History 13,914 Bibliography 10,543 periodicals 8,538 Criticism, interpretation, etc 6,656 Zeitschrift 5,586 Directories 4,615 Computer network resources 4,128 Abstracts 3,658 Little magazines 3,355 Congresses 3,302 Catalogs 3,258 Bibliographies 2,945 Newspapers 2,768 Law reviews 2,686 Reviews 2,519 Zines 2,338 Indexes 2,329 Conference papers and proceedings 2,291 Religious periodicals 2,119 Ressource Internet (Descripteur de forme) 2,058 Comics (Graphic works) 2,056 Sources 1,996 Fulltext 1,874 Internet Resources 1,807 see all ...

20th century 20,786 1900-1999 4,975 1945- 4,660 21st century 3,566 19th century 3,489 1900 - 1999 3,360 18th century 2,279 Since 1945 1,740 1945-1989 1,111 2000-2099 1,094 1989- 1,001 Civil War, 1642-1649 992 1800-1899 956 1991- 855 1960- 819 1918-1945 757 1975- 733 1918- 637 Revolution, 1789-1799 607 1976- 568 1980- 532 Commonwealth and Protectorate, 1649-1660 519 1642-1649 517 1912-1949 494 1949- 481 1990- 480 Early works to 1800 457 1976-2000 448 Civil War, 1861-1865 432 1900-2099 424 see all ...

United States 59,705 China 23,024 Great Britain 11,791 Japan 10,589 France 9,246 Germany 8,407 Canada 7,919 New York (State) 7,094 Indonesia 6,918 India 6,627 Soviet Union 6,204 California 5,901 Europe 5,322 Italy 5,113 Russia (Federation) 4,809 Latin America 4,741 Brazil 4,618 Mexico 4,308 Nigeria 4,135 Africa 4,057 Argentina 4,037 England 3,875 Australia 3,804 Israel 3,740 Poland 3,729 Turkey 3,658 Massachusetts 3,604 Spain 3,481 Taiwan 3,137 Asia 3,078 see all ...