Columbia subject headings:
African Americans--Politics and government.
United States--Politics and government--1945-1989.
United States--Race relations--Political aspects.
Voting--United States--History--20th century.
Harvard subject headings:
African Americans--Politics and government
United States--Politics and government--1945-1989.
United States--Race relations--Political aspects.
Voting--United States--History--20th century.
Princeton subject headings:
African Americans--Politics and government.
United States--Politics and government--1945-1989.
United States--Race relations--Political aspects.
Voting--United States--History--20th century.