Columbia subject headings:
Civil rights--United States.
Hennings, Thomas C., Jr. (Thomas Carey), 1903-1960.
Harvard subject headings:
Civil rights--United States
Hennings, Thomas C., Jr. (Thomas Carey), 1903-1960.
Princeton subject headings:
Civil rights--United States.
Hennings, Thomas C., Jr. (Thomas Carey), 1903-1960.