Z - Library Science 148,168 P - Language and Literature 23,421 D - World History 12,156 B - Philosophy, Psychology, Religion 10,994 M - Music 10,658 H - Social Science 10,085 C - Historical Sciences 9,035 Q - Science 6,801 K - Law 6,249 N - Fine Arts 3,559 A - General Works 3,343 R - Medicine 3,274 F - General American History 3,065 L - Education 2,961 G - Geography, Anthropology, Recreation 2,953 J - Political Science 2,722 T - Technology 2,614 E - United States History 2,401 S - Agriculture 2,085 U - Military Science 661 V - Naval Science 181 see all ...

National Agricultural Library (U.S.) 1,316 Library of Congress Division of Bibliography 1,147 Library of Congress 992 Gotham Book Mart Collection (University of Pennsylvania) 895 United States Superintendent of Documents 757 National Library of Medicine (U.S.) 656 Vance, Mary A 652 Horace Howard Furness Memorial Library (University of Pennsylvania) 650 Geological Survey (U.S.) 647 Harris Collection of American Poetry and Plays (Brown University) Reference Works 631 Fraunhofer-Gesellschaft Informationszentrum Raum und Bau 604 Nichigai Asoshiētsu 577 New York Public Library 564 United States National Archives and Records Service 505 Library of Congress Congressional Research Service 501 White, Anthony G 457 Griffin, Appleton P. C (Appleton Prentiss Clark), 1852-1926 433 United States Office of Education 433 Grolier Club 363 Nichigai Asoshiētsu 357 De Gruyter 344 Gosudarstvennai︠a︡ biblioteka SSSR imeni V.I. Lenina 342 United States Air Force Academy Library 341 Great Britain Public Record Office 329 National Library of Medicine (U.S.) Reference Section 321 Harry Lyman Koopman Collection (Brown University) 314 National Archives (U.S.) 308 American Association of Law Libraries Government Documents SIS 305 Fiske Icelandic Collection 301 American Library Association 297 see all ...

English 190,922 German 31,975 French 27,351 Spanish 15,403 Russian 15,015 Italian 11,817 Chinese 10,248 Japanese 8,078 Latin 4,372 Polish 3,282 Portuguese 3,137 Arabic 3,132 Dutch 2,967 Ukrainian 2,683 Hebrew 2,545 Czech 1,907 Multiple 1,675 Korean 1,510 Turkish 1,363 Persian 1,357 Swedish 1,307 Hungarian 1,172 Greek 1,126 Danish 1,000 Bulgarian 761 Romanian 651 Croatian 578 Indonesian 553 Norwegian 527 Slovak 525 see all ...

20th century 10,116 19th century 4,357 1900-1999 4,118 18th century 2,767 16th century 2,328 1900 - 1999 1,875 17th century 1,735 1800-1899 1,226 Early modern, 1500-1700 949 1564-1616 926 1500-1599 883 1700-1799 808 To 1500 765 1945- 755 Early works to 1800 691 1939-1945 641 1800 - 1899 559 1800-1999 477 21st century 473 1265-1321 466 1600-1699 413 Civil War, 1861-1865 401 1749-1832 375 1812-1870 374 20e siècle 370 Colonial period, ca. 1600-1775 368 Revolution, 1789-1799 359 1700 - 1799 357 1500-1700 345 1500 - 1700 342 see all ...

United States 28,670 China 8,334 Germany 7,442 France 6,861 Great Britain 6,697 Italy 6,329 Japan 4,871 England 4,342 Soviet Union 4,182 Spain 3,912 Canada 3,300 Russia (Federation) 3,048 Europe 2,950 Latin America 2,697 Russia 2,510 Mexico 2,328 Africa 2,321 India 2,307 Poland 2,270 America 1,986 Ukraine 1,970 New York (State) 1,845 Netherlands 1,618 California 1,569 Brazil 1,461 London 1,409 Turkey 1,265 Middle East 1,252 Korea 1,239 New York 1,183 see all ...