H - Social Science 84,898 P - Language and Literature 47,768 D - World History 38,182 Q - Science 35,317 A - General Works 27,640 T - Technology 25,896 B - Philosophy, Psychology, Religion 25,245 R - Medicine 23,391 K - Law 20,122 N - Fine Arts 17,419 Z - Library Science 13,790 L - Education 13,225 J - Political Science 10,895 M - Music 9,780 S - Agriculture 9,776 G - Geography, Anthropology, Recreation 9,620 F - General American History 9,324 C - Historical Sciences 4,782 E - United States History 4,582 U - Military Science 3,877 V - Naval Science 901 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) 1,942 Adam Matthew Digital (Firm) 1,455 Vale Zines Collection (Beinecke Rare Book and Manuscript Library) 1,236 Edwin and Terry Murray Collection (David M. Rubenstein Rare Book & Manuscript Library) 954 Julio Mario Santo Domingo Collection 913 United States Bureau of Labor Statistics 761 Institute of Electrical and Electronics Engineers 733 United States Joint Publications Research Service 703 United States Foreign Broadcast Information Service 612 Centre national de la recherche scientifique (France) 582 Sallie Bingham Center for Women's History and Culture 575 National Climatic Data Center (U.S.) 551 Akademii︠a︡ nauk SSSR 525 Statistical Office of the European Communities 515 Rosengarten Family Fund 505 Zhongguo ren min da xue Shu bao zi liao zhong xin 486 Riewert Tode Collection of German Student Movements and Counter-Culture 485 United States Department of Agriculture. Economic Research Service 474 Human Rights Archive (Duke University) 471 United States Weather Bureau 456 Schlesinger Library Zine Collection 453 Southern Poverty Law Center Intelligence Project Collection 451 United States Bureau of Agricultural Economics 445 American Institute of Physics 435 United States Foreign Agricultural Service 435 National Climatic Center 411 JSTOR (Organization) 401 see all ...

English 459,038 French 54,325 German 45,896 Chinese 44,237 Spanish 40,362 Russian 25,694 Japanese 16,809 Italian 16,472 Portuguese 10,541 Arabic 7,995 Indonesian 6,822 Dutch 5,906 Polish 5,421 Korean 5,343 Hebrew 4,641 Persian 3,810 Multiple 3,736 Turkish 3,630 Czech 3,298 Ukrainian 3,150 Greek 2,545 Swedish 2,427 Romanian 2,389 Hungarian 1,945 Croatian 1,917 Danish 1,841 Thai 1,795 Vietnamese 1,716 Undetermined 1,577 Urdu 1,424 see all ...

Periodicals 561,186 Electronic journals 54,068 Periodical 37,856 Statistics 19,461 Périodiques 18,093 Périodiques 16,383 History 13,677 Bibliography 10,481 periodicals 8,335 Criticism, interpretation, etc 6,464 Directories 4,548 Computer network resources 4,202 Abstracts 3,608 Little magazines 3,363 Catalogs 3,238 Congresses 3,226 Bibliographies 2,932 Newspapers 2,733 Law reviews 2,678 Reviews 2,496 Zines 2,335 Indexes 2,313 Zeitschrift 2,269 Conference papers and proceedings 2,254 Religious periodicals 2,123 Ressource Internet (Descripteur de forme) 2,090 Comics (Graphic works) 2,050 Sources 1,974 Fulltext 1,836 Internet Resources 1,768 see all ...

20th century 20,605 1900-1999 4,901 1945- 4,626 21st century 3,522 19th century 3,457 1900 - 1999 3,350 18th century 2,282 Since 1945 1,720 1800-1899 1,117 1945-1989 1,093 2000-2099 1,066 Civil War, 1642-1649 995 1989- 988 1991- 844 1960- 811 1918-1945 752 1975- 729 1918- 628 Revolution, 1789-1799 601 1976- 559 1642-1649 521 1980- 521 Commonwealth and Protectorate, 1649-1660 519 1912-1949 494 1949- 475 1990- 474 Early works to 1800 457 1700-1799 437 Civil War, 1861-1865 426 1900-2099 420 see all ...

United States 59,142 China 22,463 Great Britain 11,652 Japan 10,365 France 9,112 Germany 8,320 Canada 7,817 New York (State) 7,038 Indonesia 6,859 India 6,614 Soviet Union 6,167 California 5,867 Europe 5,256 Italy 5,093 Russia (Federation) 4,717 Latin America 4,682 Brazil 4,551 Mexico 4,268 Nigeria 4,130 Argentina 4,009 Africa 4,008 England 3,823 Australia 3,775 Poland 3,691 Israel 3,677 Massachusetts 3,574 Turkey 3,569 Spain 3,421 Taiwan 3,060 Asia 3,037 see all ...