Book 2,818,776 Electronic 225,768 Unknown 94,605 Government Document 87,498 Journal 81,917 Conference Proceeding 71,794 Serial 66,101 Audio 60,288 Thesis 48,339 Kit 44,289 Musical Score 41,154 Photo 33,303 Manuscript 21,626 Book Chapter 16,264 Map 14,950 Newspaper 12,885 Reference Material 3,556 Physical Object 2,398 Article 129 see all ...

P - Language and Literature 533,145 H - Social Science 184,970 E - United States History 171,926 B - Philosophy, Psychology, Religion 142,440 F - General American History 132,258 M - Music 123,886 A - General Works 86,586 T - Technology 83,993 K - Law 83,958 D - World History 81,383 N - Fine Arts 76,298 Q - Science 74,451 G - Geography, Anthropology, Recreation 68,230 Z - Library Science 64,222 R - Medicine 52,452 J - Political Science 48,929 C - Historical Sciences 48,661 L - Education 44,942 S - Agriculture 19,843 U - Military Science 15,799 V - Naval Science 3,069 see all ...

Adam Matthew Digital (Firm) 45,985 American Society for Testing and Materials 30,740 ASTM International 28,628 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 27,772 Harris Collection of American Poetry and Plays (Brown University) Broadsides 25,900 Gotham Book Mart Collection (University of Pennsylvania) 23,147 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 22,007 De Gruyter 18,135 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 17,247 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 17,138 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 16,982 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1609-1875 16,053 Harris Collection of American Poetry and Plays (Brown University) Music Scores and Collections 13,327 ebrary, Inc 12,792 American Imprints Collection (Athenaeum of Philadelphia) 12,153 Harris Collection of American Poetry and Plays (Brown University) Poetry, 2001-2025 12,050 Adam Matthews Digital (Firm) 11,978 United States Congress. House 11,837 Culture Class Collection (University of Pennsylvania) 10,975 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1876-1900 10,708 United States 10,377 Harris Collection of American Poetry and Plays (Brown University) Plays, 1901-1925 10,214 American Culture Class Collection (University of Pennsylvania) 10,124 American Council of Learned Societies 9,781 Harris Collection of American Poetry and Plays (Brown University) Plays, 1926-1950 9,709 United States Congress 9,131 Recorded Anthology of American Music, Inc 7,460 Alexander Street Press 6,894 United States Congress House 6,709 United States Department of State 6,236 see all ...

English 2,972,087 Spanish 102,208 French 56,867 German 50,334 No linguistic content 44,611 Latin 15,234 Italian 11,128 Portuguese 8,501 Russian 7,848 Japanese 7,496 Hebrew 7,215 Undetermined 7,105 Chinese 7,064 Ancient Greek 4,236 Arabic 3,892 Dutch 3,868 Multiple 3,639 Yiddish 3,015 Sanskrit 2,771 Korean 2,285 Swedish 2,262 Polish 2,213 Greek 1,859 Czech 1,428 Danish 1,259 Norwegian 1,259 Vietnamese 988 Ukrainian 728 Hungarian 725 Persian 668 see all ...

History 203,465 Electronic books 192,264 Fiction 138,423 Biography 121,317 Congresses 92,987 Periodicals 89,409 Biographies 78,461 Poetry 77,443 Criticism, interpretation, etc 68,495 Broadsides 60,911 Conference papers and proceedings 56,152 Drama 44,727 Sermons 39,019 Exhibitions 34,012 Bibliography 31,289 Juvenile literature 29,198 Internet videos 27,358 Correspondence 26,955 Dictionaries 24,837 Exhibition catalogs 23,093 Catalogs 22,660 Early works to 1800 22,032 Pictorial works 21,709 Interviews 20,980 Poems 20,843 Sources 18,731 Autobiographies 18,068 Maps 17,942 Almanacs 16,727 Personal narratives 16,418 see all ...

20th century 207,828 19th century 95,221 1900-1999 78,530 21st century 44,167 Civil War, 1861-1865 39,030 1900 - 1999 33,377 Revolution, 1775-1783 31,582 1800-1899 24,431 18th century 21,367 2000-2099 20,409 1861-1865 17,007 1775-1783 13,528 20e siècle 11,208 Colonial period, ca. 1600-1775 10,623 1775-1865 9,626 1945- 9,507 1800 - 1899 8,907 1939-1945 8,686 1861 - 1865 8,669 1750-1806 7,980 War of 1812 6,728 1732-1799 6,484 17th century 5,733 1775 - 1783 5,619 1800-1999 5,557 To 1775 5,450 20e siècle 5,183 Early works to 1800 5,169 1945-1989 5,094 1809-1865 4,775 see all ...

United States 747,570 New York (State) 63,525 Massachusetts 55,021 Pennsylvania 41,988 Great Britain 41,633 New York 35,914 Latin America 34,294 États-Unis 29,948 California 29,930 Mexico 27,276 France 23,096 North America 20,818 Canada 18,837 Philadelphia 18,245 Europe 17,629 Boston 17,603 America 16,974 Southern States 16,654 England 16,344 New York (N.Y.) 16,134 China 15,343 États-Unis 14,887 Virginia 14,070 USA 13,848 Germany 13,828 Connecticut 13,219 West (U.S.) 12,054 Japan 11,933 Texas 11,595 Illinois 11,395 see all ...