Columbia subject headings:
Civil rights--United States.
Constitutional history--United States--States.
Constitutional history--United States.
States' rights (American politics)
United States--History.
Harvard subject headings:
Civil rights--United States
Constitutional history--United States
States' rights (American politics)
United States--History.
Princeton subject headings:
Civil rights--United States.
Constitutional history--United States.
States' rights (American politics)
United States--History.