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Educational Resources Information Center (U.S.)
6,090
NetLibrary, Inc
5,553
American slavery collection, 1820-1922
3,156
ProQuest (Firm)
2,670
ProQuest Ebook Subscriptions
2,367
Sabin Americana, 1500-1926
2,031
Gale Group
1,265
University of Virginia. Library. Electronic Text Center
1,074
Frank and Virginia Williams Collection of Lincolniana (Mississippi State University. Libraries)
868
United States. Congress
811
Gotham Book Mart Collection (University of Pennsylvania)
770
JSTOR
670
National Center for Education Statistics
622
Hathi Trust
594
Lincoln, Abraham, 1809-1865
585
United States. Department of State. Office of Public Communication. Editorial Division
565
Joanna Banks Collection of African American Books (University of Pennsylvania)
553
United States. Office of Educational Research and Improvement
542
Franklin, Benjamin, 1706-1790
497
Washington, George, 1732-1799
483
United States. National Park Service
479
George Clapp Vaillant Book Fund
462
Jefferson, Thomas, 1743-1826
454
United States. Dept. of State. Office of Public Communication. Editorial Division
425
Du Bois, W. E. B. (William Edward Burghardt), 1868-1963
421
Culture Class Collection (University of Pennsylvania)
344
Roosevelt, Theodore, 1858-1919
338
Smithsonian Institution. Bureau of American Ethnology
327
United States. Congress House
327
Arts and Entertainment Network
324
Douglass, Frederick, 1818-1895
323
Confederate States of America. Congress. House of Representatives
316
History Channel (Television network)
311
United States. Department of the Army
307
Alfred Whital Stern Collection of Lincolniana (Library of Congress)
299
PBS Home Video
287
United States. Army Pictorial Center
287
United States. Department of State
278
Columbus, Christopher
264
WGBH (Television station : Boston, Mass.)
263
EBSCOhost books
254
American Culture Class Collection (University of Pennsylvania)
246
United States
245
New Video Group
243
Dramatexts
242
Washington, Booker T., 1856-1915
241
PALCI EBSCO books
232
United States. Department of Energy
230
American Anti-Slavery Society
228
United States. Congress. Senate. Committee on Foreign Relations
227
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