You searched for: Collection G. Robert Vincent Voice Library Collection Remove constraint Collection: G. Robert Vincent Voice Library Collection Place Detroit (Mich.) Remove constraint Place: Detroit (Mich.) Place United States Remove constraint Place: United States Topic Labor leaders Remove constraint Topic: Labor leaders Topic Labor unions, Black Remove constraint Topic: Labor unions, Black Topic Politics and government Remove constraint Topic: Politics and government Topic Race relations Remove constraint Topic: Race relations Type sound recording-nonmusical Remove constraint Type: sound recording-nonmusical