Book 367,446 Government Document 32,650 Unknown 11,504 Electronic 8,385 Serial 5,473 Journal 4,576 Thesis 4,190 Conference Proceeding 3,818 Book Chapter 2,380 Audio 1,938 Musical Score 764 Map 653 Kit 565 Newspaper 498 Reference Material 377 Photo 251 Manuscript 204 Physical Object 14 Article 6 see all ...

Educational Resources Information Center (U.S.) 9,932 Adam Matthew Digital (Firm) 5,898 McLellan Lincoln Collection (Brown University) 5,120 ebrary, Inc 3,467 Anne S.K. Brown Military Collection 2,241 De Gruyter 1,865 Crowe, Larry F. 1,475 National Association for the Advancement of Colored People 1,456 Hickey, Matthew 1,338 Gotham Book Mart Collection (University of Pennsylvania) 1,306 Frank and Virginia Williams Collection of Lincolniana (Mississippi State University. Libraries) 1,285 Stearns, Scott 1,278 United States Congress 1,214 ProQuest (Firm) 1,179 National Center for Education Statistics 1,139 Metcalf Collection (Brown University) 1,009 Samuel J. May Anti-Slavery pamphlet collection 1,004 Lincoln, Abraham, 1809-1865 968 Joanna Banks Collection of African American Books (University of Pennsylvania) 867 United States Congress House 800 United States Office of Educational Research and Improvement 790 United States Department of State 788 ProQuest ebook central 753 United States National Park Service 745 American Council of Learned Societies 731 Washington, George, 1732-1799 694 John Hope Franklin Research Center for African and African American History and Culture 692 Project Muse 668 George Clapp Vaillant Book Fund 667 Franklin, Benjamin, 1706-1790 650 see all ...

English 351,400 French 10,509 Spanish 9,956 German 8,260 Chinese 3,856 Japanese 3,388 Italian 2,673 Russian 2,474 Latin 1,232 Portuguese 1,034 Arabic 990 Dutch 921 Korean 850 Swedish 826 Undetermined 814 Polish 749 Hebrew 629 No linguistic content 509 Danish 496 Czech 352 Norwegian 332 Greek 273 Turkish 233 Persian 226 Hungarian 218 Yiddish 218 North American Indian 187 Ukrainian 183 Lithuanian 169 Vietnamese 168 see all ...

History 61,089 Biography 39,153 Biographies 27,221 Electronic books 19,655 Sources 7,873 Periodicals 7,060 Personal narratives 7,036 Printed ephemera 6,038 Autobiographies 4,878 Juvenile literature 4,438 Congresses 4,381 Interviews 4,306 Pictorial works 3,577 Nonfiction films 3,521 Internet videos 3,307 Conference papers and proceedings 3,167 Folklore 3,106 Oral histories 3,010 Correspondence 2,914 Statistics 2,792 Dictionaries 2,755 Bibliography 2,662 Archives 2,598 Sermons 2,441 Early works to 1800 2,290 Controversial literature 2,272 Speeches in Congress 2,252 Juvenile works 2,226 Exhibitions 2,166 Case studies 1,818 see all ...

Civil War, 1861-1865 31,112 20th century 17,119 1861-1865 13,350 19th century 11,562 Revolution, 1775-1783 10,991 1809-1865 8,401 1900-1999 6,645 1775-1783 6,089 1861 - 1865 5,834 1945-1989 4,498 1800-1899 4,416 1945- 3,985 Colonial period, ca. 1600-1775 3,864 21st century 3,321 1732-1799 3,290 18th century 3,243 1900 - 1999 3,166 1933-1945 2,718 1989- 2,687 1946- 2,524 Since 1945 2,306 War of 1812 2,125 1800 - 1899 2,102 1877-1964 2,077 1783-1865 2,062 1917-1963 2,004 1775 - 1783 1,896 2001-2009 1,889 1743-1826 1,791 1815-1861 1,495 see all ...

United States 206,421 America 11,706 États-Unis 8,472 North America 7,035 Canada 6,997 Confederate States of America 6,353 New York (State) 5,260 Great Britain 4,774 Southern States 4,626 Virginia 4,174 California 4,162 États-Unis 3,865 China 3,659 Pennsylvania 3,593 Massachusetts 3,501 USA 3,320 Mexico 3,048 Southwest, New 2,694 Soviet Union 2,388 Japan 2,362 South Carolina 2,259 Latin America 2,213 Texas 2,144 New Mexico 2,131 Spain 2,080 Arizona 2,052 France 2,041 North Carolina 1,950 Europe 1,932 Georgia 1,886 see all ...