P - Language and Literature 484,380 H - Social Science 161,384 E - United States History 152,515 B - Philosophy, Psychology, Religion 130,224 F - General American History 121,738 M - Music 89,822 T - Technology 75,862 K - Law 74,553 D - World History 72,111 N - Fine Arts 66,690 Q - Science 65,164 A - General Works 62,951 Z - Library Science 60,009 J - Political Science 43,507 R - Medicine 43,507 L - Education 39,909 C - Historical Sciences 34,279 G - Geography, Anthropology, Recreation 28,843 S - Agriculture 15,084 U - Military Science 13,483 V - Naval Science 2,710 see all ...

Adam Matthew Digital (Firm) 40,521 American Society for Testing and Materials 30,586 ASTM International 28,616 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 27,699 Harris Collection of American Poetry and Plays (Brown University) Broadsides 25,738 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 21,997 Gotham Book Mart Collection (University of Pennsylvania) 21,645 De Gruyter 18,092 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 17,210 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 17,021 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 16,859 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1609-1875 15,898 Harris Collection of American Poetry and Plays (Brown University) Music Scores and Collections 13,250 Harris Collection of American Poetry and Plays (Brown University) Poetry, 2001-2025 12,053 Adam Matthews Digital (Firm) 11,979 ebrary, Inc 11,930 United States Congress. House 11,632 Culture Class Collection (University of Pennsylvania) 10,793 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1876-1900 10,652 Harris Collection of American Poetry and Plays (Brown University) Plays, 1901-1925 10,207 American Culture Class Collection (University of Pennsylvania) 9,971 Harris Collection of American Poetry and Plays (Brown University) Plays, 1926-1950 9,698 United States 9,281 United States Congress 8,098 American Council of Learned Societies 6,676 United States Congress House 6,563 Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania) 6,110 United States Department of State 5,927 United States Congress. Senate 5,534 American and French Research on the Treasury of the French Language (Project) 4,902 see all ...

English 2,461,389 Spanish 77,215 French 46,261 German 44,309 Latin 13,926 Italian 8,752 No linguistic content 7,692 Russian 6,364 Japanese 6,228 Hebrew 6,166 Portuguese 5,774 Chinese 5,576 Undetermined 4,297 Ancient Greek 4,079 Arabic 3,071 Dutch 2,710 Yiddish 2,407 Swedish 1,824 Polish 1,646 Korean 1,605 Greek 1,521 Multiple 1,439 Czech 1,190 Danish 1,067 Norwegian 1,001 Vietnamese 560 Hungarian 530 Ukrainian 516 Turkish 504 Austronesian 465 see all ...

History 194,587 Electronic books 180,679 Fiction 133,326 Biography 109,162 Congresses 85,083 Poetry 75,812 Biographies 75,525 Criticism, interpretation, etc 66,340 Broadsides 60,705 Conference papers and proceedings 52,471 Sermons 36,064 Exhibitions 32,961 Drama 30,195 Bibliography 27,821 Juvenile literature 27,440 Dictionaries 24,200 Exhibition catalogs 22,589 Catalogs 20,734 Poems 19,625 Early works to 1800 19,521 Autobiographies 17,738 Pictorial works 17,661 Almanacs 16,458 Sources 15,944 Juvenile fiction 14,429 Bibliographies 14,404 Personal narratives 14,184 Novels 14,127 Juvenile works 13,972 Poésie 13,007 see all ...

20th century 160,698 19th century 77,166 1900-1999 74,243 21st century 38,899 Civil War, 1861-1865 34,919 1900 - 1999 30,825 Revolution, 1775-1783 28,976 1800-1899 23,330 2000-2099 19,711 18th century 17,910 1861-1865 15,723 1775-1783 12,898 20e siècle 10,542 Colonial period, ca. 1600-1775 9,349 1775-1865 9,101 1800 - 1899 8,724 1861 - 1865 8,312 1945- 8,178 1939-1945 8,055 War of 1812 6,314 1775 - 1783 5,487 1800-1999 5,425 17th century 5,203 To 1775 5,203 1732-1799 5,110 20e siècle 4,958 Early works to 1800 4,888 1700-1799 4,383 21e siècle 4,358 1945-1989 4,315 see all ...

United States 621,123 New York (State) 51,442 Massachusetts 48,414 Great Britain 36,989 Pennsylvania 35,893 Latin America 28,696 New York 28,290 États-Unis 27,680 California 23,553 Mexico 22,029 France 18,038 North America 18,020 Boston 15,563 Philadelphia 15,163 America 14,550 Europe 14,494 Canada 14,424 England 14,132 États-Unis 13,989 Southern States 13,783 USA 13,697 China 12,430 New York (N.Y.) 12,268 Virginia 11,831 Connecticut 11,484 Germany 11,376 Japan 9,911 West (U.S.) 9,675 Illinois 9,117 Texas 8,831 see all ...