H - Social Science 84,710 P - Language and Literature 47,608 D - World History 38,068 Q - Science 35,210 A - General Works 27,586 T - Technology 25,850 B - Philosophy, Psychology, Religion 25,188 R - Medicine 23,345 K - Law 20,076 N - Fine Arts 17,368 Z - Library Science 13,759 L - Education 13,214 J - Political Science 10,871 M - Music 9,777 S - Agriculture 9,743 G - Geography, Anthropology, Recreation 9,586 F - General American History 9,294 C - Historical Sciences 4,748 E - United States History 4,570 U - Military Science 3,869 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) 934 Julio Mario Santo Domingo Collection 913 United States Bureau of Labor Statistics 760 United States Joint Publications Research Service 703 Institute of Electrical and Electronics Engineers 698 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 462 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 457,487 French 54,203 German 45,804 Chinese 44,132 Spanish 40,272 Russian 25,607 Japanese 16,743 Italian 16,452 Portuguese 10,524 Arabic 7,975 Indonesian 6,799 Dutch 5,901 Polish 5,386 Korean 5,313 Hebrew 4,627 Persian 3,802 Multiple 3,725 Turkish 3,615 Czech 3,289 Ukrainian 3,138 Greek 2,528 Swedish 2,423 Romanian 2,379 Hungarian 1,940 Croatian 1,913 Danish 1,835 Thai 1,793 Vietnamese 1,714 Undetermined 1,573 Urdu 1,423 see all ...

Periodicals 559,820 Electronic journals 47,138 Periodical 37,929 Statistics 19,433 Périodiques 19,044 Périodiques 15,062 History 13,604 Bibliography 10,464 periodicals 7,519 Criticism, interpretation, etc 6,431 Directories 4,542 Computer network resources 4,093 Abstracts 3,595 Little magazines 3,337 Catalogs 3,200 Congresses 3,166 Bibliographies 2,909 Newspapers 2,725 Law reviews 2,671 Reviews 2,495 Zines 2,307 Indexes 2,306 Zeitschrift 2,237 Conference papers and proceedings 2,196 Religious periodicals 2,123 Ressource Internet (Descripteur de forme) 2,084 Comics (Graphic works) 1,990 Sources 1,969 Fulltext 1,831 Internet Resources 1,763 see all ...

20th century 20,548 1900-1999 4,873 1945- 4,624 21st century 3,496 19th century 3,448 1900 - 1999 3,348 18th century 2,279 Since 1945 1,716 1800-1899 1,113 1945-1989 1,088 2000-2099 1,055 Civil War, 1642-1649 993 1989- 987 1991- 845 1960- 810 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 425 1976-2000 419 see all ...

United States 59,049 China 22,413 Great Britain 11,631 Japan 10,336 France 9,099 Germany 8,306 Canada 7,798 New York (State) 7,015 Indonesia 6,833 India 6,603 Soviet Union 6,165 California 5,847 Europe 5,255 Italy 5,089 Russia (Federation) 4,694 Latin America 4,676 Brazil 4,545 Mexico 4,260 Nigeria 4,128 Africa 4,002 Argentina 4,002 England 3,810 Australia 3,755 Poland 3,673 Israel 3,668 Massachusetts 3,563 Turkey 3,559 Spain 3,417 Taiwan 3,053 Asia 3,033 see all ...