Columbia subject headings:
African American automobile industry workers--Michigan--Detroit.
African American labor union members.
Automobile industry and trade--Michigan--Detroit.
Harvard subject headings:
African American automobile industry workers--Michigan--Detroit.
African American labor union members.
Automobile industry and trade--Michigan--Detroit.
Princeton subject headings:
African American automobile industry workers--Michigan--Detroit.
African American labor union members.
Automobile industry and trade--Michigan--Detroit.