Author
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
United States
640
United States Environmental Protection Agency
639
Walter L. Pforzheimer Intelligence Collection (Beinecke Rare Book and Manuscript Library)
629
Du Bois, W. E. B (William Edward Burghardt), 1868-1963
500
Culture Class Collection (University of Pennsylvania)
488
NetLibrary, Inc
487
Sallie Bingham Center for Women's History and Culture
461
EBSCOhost
460
Webster, Daniel, 1782-1852
458
United States Congress Senate
448
Richardson, Julieanna L.
443
Jefferson, Thomas, 1743-1826
441
Columbus, Christopher
426
Rosengarten Family Fund
418
United States Bureau of Indian Affairs
406
Roosevelt, Theodore, 1858-1919
396
American Culture Class Collection (University of Pennsylvania)
377
United States Department of Energy
373
Lisa Unger Baskin Collection (David M. Rubenstein Rare Book & Manuscript Library)
346
St. Martin's Press/Tor Archive (Brown University)
344
more ...