African Americans; By Laws; Congresses; Constitutions; Du Bois, W. E. B. (William Edward Burghardt) 1868 1963; Niagara Movement (Organization)
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@ University of Massachusetts, Amherst
African American Civil Rights Workers; African American Men; African American Physicians; African American Pioneers; African Americans; Civil Rights; Mossell, Nathan Francis, 1856 1946; Naacp; Physicians
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@ Temple University
African American Civil Rights Workers; African Americans; Civil Rights; Civil Rights Movements; Niagara Falls (N.Y.); Niagara Movement
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@ Schomburg Center for Research in Black Culture, Photographs and Prints Division. The New York Public Library