Author
American Colonization Society
42
Ethnic Heritage Studies Program (U.S.)
35
Du Bois, W. E. B. 1868-1963
34
Philadelphia Record
32
Joint Center for Political Studies (U.S.)
29
Whiteman, Maxwell
24
Commission on Interracial Cooperation
20
Hughes, Langston, 1902-1967
16
United States Commission on Civil Rights
16
United States. Bureau of the Census
16
Gates, Henry Louis, Jr
15
Mercer, Charles Fenton, 1778-1858
15
Foner, Philip Sheldon, 1910-
13
Pennsylvania Colonization Society
13
Aptheker, Herbert, 1915-
12
Carey, Mathew, 1760-1839
12
Historical Society of Pennsylvania
12
Blockson, Charles L.
11
National Association for the Advancement of Colored People
11
Wharton School. Industrial Research Unit
11
African American Pamphlet Collection (Library of Congress)
10
Christy, David, 1802-1882
10
Eleazer, Robert B. 1877-
10
Washington, Booker T., 1856-1915
10
Woodson, Carter Godwin, 1875-1950
10
Wright, Richard, 1908-1960
10
Armstrong Association of Philadelphia
9
Association for the Study of Negro Life and History, inc
9
Balch Institute for Ethnic Studies
9
Douglass, Frederick, 1818-1895
9
Himes, Chester B., 1909-
9
Kentucky Colonization Society
9
Lewis, Ronald L., 1940-
9
Schomburg Center for Research in Black Culture
9
Wesley, Charles H. 1891-1987
9
American Anti-Slavery Society
8
American Society for Colonizing the Free People of Colour of the United States
8
Ashmun, J. 1794-1828
8
Baraka, Imamu Amiri, 1934-
8
Hine, Darlene Clark
8
Hurston, Zora Neale
8
Meier, August, 1923-2003
8
National Black Child Development Institute
8
Philadelphia (Pa.). Commission on Human Relations
8
United States. Supreme Court
8
University of Michigan. Population Studies Center
8
Afro-American Historical and Cultural Museum (Philadelphia, Pa.)
7
Bontemps, Arna Wendell, 1902-1973
7
Cavanagh, Thomas E.
7
Conrad, Earl
7
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