You searched for: Collection G. Robert Vincent Voice Library Collection Remove constraint Collection: G. Robert Vincent Voice Library Collection Institution Michigan State University. Libraries Remove constraint Institution: Michigan State University. Libraries Language English Remove constraint Language: English Place Detroit (Mich.) Remove constraint Place: Detroit (Mich.) Place United States Remove constraint Place: United States Topic Labor unions, Black Remove constraint Topic: Labor unions, Black Topic Segregation Remove constraint Topic: Segregation Type sound recording-nonmusical Remove constraint Type: sound recording-nonmusical