Author
Philadelphia Record
11
Wharton School. Industrial Research Unit
11
Lewis, Ronald L., 1940-
9
Foner, Philip Sheldon, 1910-
8
Armstrong Association of Philadelphia
5
Du Bois, W. E. B. 1868-1963
3
Northrup, Herbert R. 1918-2007
3
Stemons, James Samuel
3
United States. Bureau of Labor Statistics
3
Anderson, Bernard E.
2
Columbia University. Graduate School of Business
2
Fletcher, F. Marion
2
Foster, Herbert James, 1925-
2
Ginzberg, Eli, 1911-2002
2
Gottlieb, Peter
2
International Trade Union Committee of Negro Workers
2
Jeffries, John, 1953-
2
Joint Center for Political Studies (U.S.)
2
Klimcke, Alfred
2
Ladies' Quaker City Association
2
Marshall, F. Ray
2
McGahey, Richard
2
National Industrial Conference Board
2
Silcox, Harry C. 1933-
2
Trotter, Joe William, 1945-
2
United States. Department of Labor. Manpower Administration
2
University of Michigan. Population Studies Center
2
Washington, Booker T., 1856-1915
2
Wesley, Charles H. 1891-1987
2
Woodson, Carter Godwin, 1875-1950
2
Alexander, Rodney
1
Allen, James Stewart, 1906-
1
Alston, Christopher C.
1
American Council on Race Relations
1
American Negro Academy
1
Armstrong Associatio of Philadelphia
1
Armstrong Association of Philadelphia Educational Committee
1
Arnesen, Eric
1
Association for the Study of Negro Life and History, inc
1
Bean, Frank D.
1
Bell, D. Sargent, 1876-194-
1
Blackmon, Douglas A.,
1
Bodnar, John E.
1
Boston, Thomas D.
1
Bound, John
1
Bracey, John H.,
1
Briggs, Vernon M.
1
Brimmer, Andrew F.
1
Brown, Earl Louis, 1900-
1
Cayton, Horace R., 1903-1970
1
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