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Educational Resources Information Center (U.S.)
6,093
NetLibrary, Inc
5,549
American slavery collection, 1820-1922
3,153
ProQuest (Firm)
2,663
ProQuest Ebook Subscriptions
2,365
Sabin Americana, 1500-1926
2,031
Gale Group
1,266
University of Virginia. Library. Electronic Text Center
1,084
Frank and Virginia Williams Collection of Lincolniana (Mississippi State University. Libraries)
911
United States. Congress
841
Gotham Book Mart Collection (University of Pennsylvania)
741
JSTOR
687
National Center for Education Statistics
622
United States. Department of State. Office of Public Communication. Editorial Division
617
Lincoln, Abraham, 1809-1865
594
Hathi Trust
593
United States. Office of Educational Research and Improvement
541
Joanna Banks Collection of African American Books (University of Pennsylvania)
540
Franklin, Benjamin, 1706-1790
503
United States. National Park Service
493
Washington, George, 1732-1799
487
Jefferson, Thomas, 1743-1826
455
George Clapp Vaillant Book Fund
454
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963
427
Roosevelt, Theodore, 1858-1919
340
Culture Class Collection (University of Pennsylvania)
338
United States. Congress House
338
Douglass, Frederick, 1818-1895
330
Arts and Entertainment Network
328
Smithsonian Institution. Bureau of American Ethnology
328
Confederate States of America. Congress. House of Representatives
316
Alfred Whital Stern Collection of Lincolniana (Library of Congress)
314
History Channel (Television network)
314
United States. Department of the Army
307
United States. Dept. of State. Office of Public Communication. Editorial Division
304
PBS Home Video
289
United States. Army Pictorial Center
287
United States. Department of State
281
WGBH (Television station : Boston, Mass.)
269
Columbus, Christopher
266
EBSCOhost books
257
United States
250
New Video Group
246
Dramatexts
242
Washington, Booker T., 1856-1915
242
American Culture Class Collection (University of Pennsylvania)
240
United States. Congress. Senate. Committee on Foreign Relations
233
United States. Department of Energy
232
American Anti-Slavery Society
230
PALCI EBSCO books
229
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