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
Du Bois, W. E. B. (William Edward Burghardt) 1868 1963; National Association For The Advancement Of Colored People; Niagara Movement (Organization); Souls Of Black Folk
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@ University of Massachusetts, Amherst
African Americans; Health; Horizon; Industrial Accidents; Murray, Raymond H; Niagara Movement (Organization)
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@ University of Massachusetts, Amherst