Author
Groovers (Philadelphia, Pa.)
2
National Association for the Advancement of Colored People
2
Afro-American Research Institute (New York, N.Y.)
1
Committee of 100
1
Communist Party of the United States of America (Eastern Pennsylvania) Research and Legislative Committee
1
Liberation Committee for Africa (New York, N.Y.)
1
Miller, Randall M.
1
National Conference of Colored Men of the United States
1
Selsam, Howard
1