Author
American Civil Liberties Union
2
American Civil Liberties Union Pennsylvania
2
Afro-American Research Institute (New York, N.Y.)
1
American Civil Liberties Union. Northern California Branch
1
American Jewish Congress. Commission on Law and Social Action
1
B'nai B'rith Anti-defamation League Law Department, Civil Rights Division
1
B'nai B'rith. Anti-defamation League
1
Center for Constitutional Rights (New York, N.Y.)
1
Civil Rights Congress (U.S.)
1
Donner, Frank J.
1
Liberation Committee for Africa (New York, N.Y.)
1
Poverty & Race Research Action Council
1
United States Commission on Civil Rights
1