Book 7,444 Electronic 1,531 Kit 1,012 Government Document 606 Serial 137 Conference Proceeding 109 Unknown 104 Journal 100 Thesis 96 Audio 85 Manuscript 77 Photo 30 Map 23 Musical Score 8 Book Chapter 4 Newspaper 4 Reference Material 3 Physical Object 1 see all ...

H - Social Science 1,177 E - United States History 1,105 C - Historical Sciences 676 P - Language and Literature 574 K - Law 552 J - Political Science 359 U - Military Science 352 M - Music 306 D - World History 253 L - Education 229 R - Medicine 217 B - Philosophy, Psychology, Religion 201 T - Technology 165 G - Geography, Anthropology, Recreation 145 Z - Library Science 131 F - General American History 117 N - Fine Arts 99 Q - Science 89 A - General Works 67 S - Agriculture 45 V - Naval Science 27 see all ...

De Gruyter 151 Inter-university Consortium for Political and Social Research 115 United States Government Accountability Office 68 ebrary, Inc 57 Electronic Enlightenment Project 44 Rawick, George P 39 United States Bureau of the Census 38 American Society for Testing and Materials 36 ASTM International 35 Louchheim, Katie, 1903-1991 35 Rand Corporation 30 Gotham Book Mart Collection (University of Pennsylvania) 28 Walter L. Pforzheimer Intelligence Collection (Beinecke Rare Book and Manuscript Library) 28 McLellan Lincoln Collection (Brown University) 26 United States General Accounting Office 25 St. Martin's Press/Tor Archive (Brown University) 24 Princeton University Library. Special Collections 22 Rosengarten Family Fund 21 Joanna Banks Collection of African American Books (University of Pennsylvania) 20 ProQuest ebook central 19 United States 18 Anne S.K. Brown Military Collection 17 Samuel J. May Anti-Slavery pamphlet collection 17 National Institute of Standards and Technology (U.S.) 16 Recent Advances in Composites in the United States and Japan Hampton, Virginia 16 Sallie Bingham Center for Women's History and Culture 16 American Enterprise Institute for Public Policy Research 15 ProQuest (Firm) 15 Library of Congress 14 National Bureau of Economic Research 14 see all ...

English 8,750 French 105 Spanish 95 German 91 Japanese 62 Russian 61 Multiple 60 Chinese 59 Hebrew 33 Arabic 25 Italian 23 No linguistic content 16 Korean 15 Greek 12 Vietnamese 10 Polish 7 Portuguese 7 Dutch 5 Hungarian 5 Undetermined 4 Czech 3 Romanian 3 Turkish 3 Yiddish 3 Indonesian 2 Latin 2 Lithuanian 2 Norwegian 2 Persian 2 Thai 2 see all ...

Electronic books 2,019 History 1,042 Correspondence 592 Biography 394 Biographies 317 Periodicals 178 Congresses 175 Conference papers and proceedings 140 Fiction 136 Sources 127 Statistics 123 Dictionaries 117 Criticism, interpretation, etc 107 Photographs, Original 100 Interviews 97 Diaries 94 Photographs 86 Manuscripts 83 Bibliography 82 Speeches 75 Autobiographies 72 Scrapbooks 70 Case studies 67 Juvenile works 67 Juvenile literature 62 Personal narratives 62 Articles 57 Catalogs 57 Reports 57 Directories 56 see all ...

20th century 1,041 19th century 480 Civil War, 1861-1865 243 1900-1999 221 18th century 148 1900 - 1999 118 21st century 117 1861-1865 101 1945-1989 89 1800-1899 87 1945- 83 Revolution, 1775-1783 79 1933-1945 75 1989- 66 2000-2099 56 Since 1945 56 1861 - 1865 55 20e siècle 55 1775-1783 50 1800 - 1899 47 Eighteenth century 44 1946- 41 2001-2009 38 1809-1865 29 Since 1900 29 1800-1999 27 1939-1945 27 1783-1865 26 1981-1989 26 1775-1865 25 see all ...

United States 5,449 États-Unis 397 États-Unis 238 USA 220 Europe 105 Soviet Union 105 Great Britain 101 China 89 New York (State) 88 Japan 71 Canada 61 France 53 Germany 53 Mexico 50 New York 45 Massachusetts 40 America 38 California 38 Pennsylvania 37 United States of America 37 North America 36 West (U.S.) 33 Southern States 32 New York (N.Y.) 30 Africa 29 Israel 28 Russia 28 Middle East 27 Asia 26 Cuba 26 see all ...