Book 2,673,074 Electronic 194,783 Government Document 86,022 Unknown 83,682 Journal 71,999 Conference Proceeding 70,540 Serial 65,122 Audio 58,662 Thesis 47,558 Musical Score 40,466 Kit 40,418 Photo 33,101 Manuscript 21,574 Book Chapter 16,206 Map 14,814 Newspaper 12,122 Reference Material 3,530 Physical Object 2,384 Article 129 see all ...

P - Language and Literature 516,634 H - Social Science 176,467 E - United States History 166,189 B - Philosophy, Psychology, Religion 138,962 F - General American History 128,666 M - Music 119,765 T - Technology 81,810 K - Law 80,795 D - World History 77,774 N - Fine Arts 75,025 A - General Works 74,147 Q - Science 70,649 Z - Library Science 63,678 R - Medicine 50,501 J - Political Science 46,358 L - Education 43,287 G - Geography, Anthropology, Recreation 40,522 C - Historical Sciences 37,241 S - Agriculture 19,003 U - Military Science 14,759 V - Naval Science 3,005 see all ...

Adam Matthew Digital (Firm) 46,031 American Society for Testing and Materials 30,739 ASTM International 28,628 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 27,738 Harris Collection of American Poetry and Plays (Brown University) Broadsides 25,894 Gotham Book Mart Collection (University of Pennsylvania) 23,105 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 22,008 De Gruyter 18,092 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 17,248 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 17,137 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 16,984 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1609-1875 16,054 Harris Collection of American Poetry and Plays (Brown University) Music Scores and Collections 13,327 Harris Collection of American Poetry and Plays (Brown University) Poetry, 2001-2025 12,058 Adam Matthews Digital (Firm) 11,979 ebrary, Inc 11,956 United States Congress. House 11,651 Culture Class Collection (University of Pennsylvania) 10,945 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1876-1900 10,708 Harris Collection of American Poetry and Plays (Brown University) Plays, 1901-1925 10,214 American Culture Class Collection (University of Pennsylvania) 10,123 United States 9,822 Harris Collection of American Poetry and Plays (Brown University) Plays, 1926-1950 9,709 American Council of Learned Societies 9,313 United States Congress 8,597 Alexander Street Press 8,360 Recorded Anthology of American Music, Inc 7,459 United States Congress House 6,578 United States Department of State 6,210 Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania) 6,163 see all ...

English 2,788,814 Spanish 100,611 French 55,087 German 49,118 No linguistic content 44,047 Latin 15,074 Italian 10,950 Portuguese 8,397 Russian 7,753 Japanese 7,440 Hebrew 7,155 Chinese 6,997 Undetermined 6,490 Ancient Greek 4,201 Arabic 3,832 Multiple 3,387 Dutch 3,071 Yiddish 2,995 Sanskrit 2,757 Korean 2,232 Swedish 2,182 Polish 2,154 Greek 1,830 Czech 1,403 Norwegian 1,231 Danish 1,230 Vietnamese 922 Ukrainian 713 Hungarian 708 Persian 658 see all ...

History 201,401 Electronic books 191,066 Fiction 133,962 Biography 116,167 Congresses 90,821 Periodicals 88,276 Biographies 77,530 Poetry 76,766 Criticism, interpretation, etc 67,927 Broadsides 60,895 Conference papers and proceedings 56,053 Drama 44,015 Sermons 37,330 Exhibitions 33,858 Bibliography 31,012 Juvenile literature 28,227 Internet videos 25,167 Dictionaries 24,477 Exhibition catalogs 22,976 Catalogs 22,405 Pictorial works 21,278 Early works to 1800 20,812 Poems 20,783 Interviews 20,545 Video recordings 19,003 Sources 18,098 Autobiographies 17,881 Maps 17,580 Almanacs 16,712 Personal narratives 16,232 see all ...

20th century 201,912 19th century 91,311 1900-1999 78,099 21st century 42,857 Civil War, 1861-1865 38,216 1900 - 1999 33,372 Revolution, 1775-1783 30,737 1800-1899 24,229 18th century 20,672 2000-2099 20,281 1861-1865 16,757 1775-1783 13,290 20e siècle 10,971 Colonial period, ca. 1600-1775 10,092 1775-1865 9,353 1945- 9,214 1800 - 1899 8,873 1861 - 1865 8,662 1939-1945 8,616 War of 1812 6,511 1775 - 1783 5,620 17th century 5,538 1800-1999 5,521 To 1775 5,366 1732-1799 5,364 Early works to 1800 5,161 20e siècle 5,126 1945-1989 4,914 1809-1865 4,541 1700-1799 4,488 see all ...

United States 721,731 New York (State) 61,261 Massachusetts 52,964 Pennsylvania 40,659 Great Britain 40,135 New York 34,691 Latin America 33,286 États-Unis 29,340 California 29,042 Mexico 26,576 France 20,772 North America 20,213 Philadelphia 17,577 Canada 17,080 Boston 16,964 Europe 16,934 America 16,296 Southern States 15,892 England 15,775 New York (N.Y.) 15,526 États-Unis 14,703 China 14,699 USA 13,816 Virginia 13,676 Germany 13,309 Connecticut 12,871 West (U.S.) 11,611 Japan 11,486 Illinois 11,018 Texas 10,811 see all ...