["BUSINESS & ECONOMICS \/ Labor","Labor","African Americans;Economic conditions.","African Americans;Employment;History.","United States;Race relations.","African American","African Americans","African Americans;Economic conditions.","African Americans;Employment;History.","BUSINESS & ECONOMICS \/ Labor","Business & Economics","EMPLOYMENT OF BLACKS","Economic conditions","Employment","GENERAL","HISTORY OF LABOR","History","History\/American","History: American","Labor","Non-Fiction","Race discrimination","Scholarly\/Undergraduate","United States","United States;Race relations.","African Americans","Economic conditions","Employment","History","Race discrimination","United States","Employment Of Blacks","History Of Labor","History: American","Business & Economics"]