Book 383,411 Unknown 16,771 Electronic 8,186 Government Document 2,406 Thesis 1,937 Serial 1,528 Audio 995 Conference Proceeding 829 Kit 623 Manuscript 395 Book Chapter 336 Journal 331 Reference Material 209 Map 100 Photo 48 Musical Score 44 Article 6 Physical Object 6 Newspaper 3 see all ...

D - World History 70,552 P - Language and Literature 45,842 F - General American History 33,439 E - United States History 33,040 B - Philosophy, Psychology, Religion 29,537 H - Social Science 25,981 N - Fine Arts 21,074 M - Music 20,599 G - Geography, Anthropology, Recreation 15,293 C - Historical Sciences 11,428 Q - Science 10,058 R - Medicine 9,554 T - Technology 7,689 K - Law 6,377 L - Education 4,352 Z - Library Science 3,559 J - Political Science 3,067 S - Agriculture 2,649 U - Military Science 2,528 V - Naval Science 988 A - General Works 897 see all ...

Gotham Book Mart Collection (University of Pennsylvania) 5,059 ebrary, Inc 3,913 De Gruyter 2,191 St. Martin's Press/Tor Archive (Brown University) 1,411 Sallie Bingham Center for Women's History and Culture 1,380 ProQuest (Firm) 1,328 ProQuest ebook central 1,140 Lisa Unger Baskin Collection (David M. Rubenstein Rare Book & Manuscript Library) 1,127 Anne S.K. Brown Military Collection 872 Horace Howard Furness Memorial Library (University of Pennsylvania) 820 Rosengarten Family Fund 820 McLellan Lincoln Collection (Brown University) 756 Walter L. Pforzheimer Intelligence Collection (Beinecke Rare Book and Manuscript Library) 599 EBSCOhost 587 Project Muse 579 John Hope Franklin Research Center for African and African American History and Culture 578 Alexander Street Press 554 Adam Matthew Digital (Firm) 540 Alumni and Friends Memorial Book Fund 516 Julio Mario Santo Domingo Collection 510 Plutarch 508 American Council of Learned Societies 496 Joanna Banks Collection of African American Books (University of Pennsylvania) 476 United States Congress. Joint Committee on Printing 458 University of North Carolina at Chapel Hill Library 418 Edward Potts Cheyney Memorial Fund 413 University of North Carolina at Chapel Hill Documenting the American South (Project) 412 Katzoff Collection (Brown University) 402 Metcalf Collection (Brown University) 331 New Video Group 324 see all ...

20th century 44,050 1900-1999 22,155 19th century 18,956 1900 - 1999 9,161 1800-1899 8,094 1939-1945 6,485 18th century 5,908 Civil War, 1861-1865 5,433 21st century 3,879 20e siècle 3,359 1800 - 1899 3,286 1939 - 1945 2,697 17th century 2,652 Revolution, 1775-1783 2,557 1945- 2,384 1861-1865 2,331 1700-1799 2,323 16th century 1,971 1951- 1,640 1809-1865 1,566 1933-1945 1,515 20e siècle 1,467 1946- 1,443 2000-2099 1,374 1861 - 1865 1,313 1800-1999 1,268 1947- 1,250 1775-1783 1,181 19e siècle 1,158 1949- 1,129 see all ...