H - Social Science 84,732 P - Language and Literature 47,618 D - World History 38,086 Q - Science 35,226 A - General Works 27,592 T - Technology 25,860 B - Philosophy, Psychology, Religion 25,193 R - Medicine 23,353 K - Law 20,087 N - Fine Arts 17,377 Z - Library Science 13,764 L - Education 13,215 J - Political Science 10,871 M - Music 9,778 S - Agriculture 9,746 G - Geography, Anthropology, Recreation 9,591 F - General American History 9,300 C - Historical Sciences 4,752 E - United States History 4,576 U - Military Science 3,870 V - Naval Science 897 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 2,047 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) 942 Julio Mario Santo Domingo Collection 913 United States Bureau of Labor Statistics 760 Institute of Electrical and Electronics Engineers 703 United States Joint Publications Research Service 703 United States Foreign Broadcast Information Service 612 Centre national de la recherche scientifique (France) 581 Sallie Bingham Center for Women's History and Culture 572 National Climatic Data Center (U.S.) 551 Akademii︠a︡ nauk SSSR 526 Statistical Office of the European Communities 515 Rosengarten Family Fund 506 Zhongguo ren min da xue Shu bao zi liao zhong xin 484 United States Department of Agriculture. Economic Research Service 474 Human Rights Archive (Duke University) 471 Riewert Tode Collection of German Student Movements and Counter-Culture 465 United States Weather Bureau 456 Southern Poverty Law Center Intelligence Project Collection 451 United States Bureau of Agricultural Economics 445 Schlesinger Library Zine Collection 438 American Institute of Physics 435 United States Foreign Agricultural Service 435 National Climatic Center 411 JSTOR (Organization) 401 see all ...

English 457,678 French 54,220 German 45,813 Chinese 44,145 Spanish 40,282 Russian 25,609 Japanese 16,746 Italian 16,454 Portuguese 10,524 Arabic 7,980 Indonesian 6,799 Dutch 5,901 Polish 5,387 Korean 5,318 Hebrew 4,627 Persian 3,802 Multiple 3,725 Turkish 3,615 Czech 3,290 Ukrainian 3,138 Greek 2,528 Swedish 2,424 Romanian 2,381 Hungarian 1,940 Croatian 1,913 Danish 1,836 Thai 1,794 Vietnamese 1,714 Undetermined 1,574 Urdu 1,423 see all ...

Periodicals 560,020 Electronic journals 47,158 Periodical 37,941 Statistics 19,438 Périodiques 19,011 Périodiques 15,146 History 13,612 Bibliography 10,468 periodicals 7,559 Criticism, interpretation, etc 6,433 Directories 4,545 Computer network resources 4,094 Abstracts 3,596 Little magazines 3,339 Catalogs 3,201 Congresses 3,179 Bibliographies 2,912 Newspapers 2,727 Law reviews 2,671 Reviews 2,497 Indexes 2,308 Zines 2,308 Zeitschrift 2,242 Conference papers and proceedings 2,210 Religious periodicals 2,123 Ressource Internet (Descripteur de forme) 2,085 Comics (Graphic works) 1,997 Sources 1,971 Fulltext 1,831 Internet Resources 1,763 see all ...

20th century 20,551 1900-1999 4,872 1945- 4,625 21st century 3,502 19th century 3,450 1900 - 1999 3,348 18th century 2,280 Since 1945 1,717 1800-1899 1,113 1945-1989 1,088 2000-2099 1,056 Civil War, 1642-1649 993 1989- 987 1991- 845 1960- 809 1918-1945 749 1975- 729 1918- 628 Revolution, 1789-1799 601 1976- 559 1642-1649 521 1980- 520 Commonwealth and Protectorate, 1649-1660 519 1912-1949 494 1949- 474 1990- 474 Early works to 1800 456 1700-1799 436 Civil War, 1861-1865 426 1976-2000 419 see all ...

United States 59,071 China 22,425 Great Britain 11,634 Japan 10,338 France 9,104 Germany 8,308 Canada 7,802 New York (State) 7,019 Indonesia 6,834 India 6,604 Soviet Union 6,165 California 5,848 Europe 5,256 Italy 5,090 Russia (Federation) 4,694 Latin America 4,677 Brazil 4,546 Mexico 4,262 Nigeria 4,128 Africa 4,003 Argentina 4,003 England 3,817 Australia 3,756 Poland 3,673 Israel 3,668 Massachusetts 3,561 Turkey 3,559 Spain 3,417 Taiwan 3,054 Asia 3,035 see all ...