Author
American Colonization Society
40
Du Bois, W. E. B. 1868-1963
34
Philadelphia Record
32
Ethnic Heritage Studies Program (U.S.)
27
Joint Center for Political Studies (U.S.)
26
Whiteman, Maxwell
24
Commission on Interracial Cooperation
19
United States Bureau of the Census
16
United States Commission on Civil Rights
16
Mercer, Charles Fenton, 1778-1858
15
Hughes, Langston, 1902-1967
14
Foner, Philip Sheldon, 1910-
13
Aptheker, Herbert, 1915-
12
Carey, Mathew, 1760-1839
12
Pennsylvania Colonization Society
12
Blockson, Charles L.
11
Historical Society of Pennsylvania
11
National Association for the Advancement of Colored People
11
Wharton School Industrial Research Unit
11
African American Pamphlet Collection (Library of Congress)
10
Balch Institute for Ethnic Studies
10
Christy, David, b. 1802
10
Washington, Booker T., 1856-1915
10
Woodson, Carter Godwin, 1875-1950
10
Armstrong Association of Philadelphia
9
Association for the Study of Negro Life and History, inc
9
Douglass, Frederick, 1818-1895
9
Himes, Chester B., 1909-
9
Kentucky Colonization Society
9
Lewis, Ronald L., 1940-
9
Wesley, Charles H. 1891-1987
9
Wright, Richard, 1908-1960
9
American Society for Colonizing the Free People of Colour of the United States
8
Ashmun, J. 1794-1828
8
Baraka, Imamu Amiri, 1934-
8
Eleazer, Robert B. b. 1877
8
Hine, Darlene Clark
8
National Black Child Development Institute
8
Philadelphia (Pa.) Commission on Human Relations
8
Schomburg Center for Research in Black Culture
8
United States Supreme Court
8
University of Michigan Population Studies Center
8
Afro-American Historical and Cultural Museum (Philadelphia, Pa.)
7
American Anti-Slavery Society
7
Bontemps, Arna Wendell, 1902-1973
7
Cavanagh, Thomas E.
7
Conrad, Earl
7
Harris, Trudier
7
Hurston, Zora Neale
7
Johnson, Charles Spurgeon, 1893-1956
7
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