Columbia subject headings:
Black, Hugo LaFayette, 1886-1971.
Civil rights--United States--History.
Frankfurter, Felix, 1882-1965.
Judges--United States--Biography.
Harvard subject headings:
Black, Hugo LaFayette, 1886-1971.
Civil rights--United States--History
Frankfurter, Felix, 1882-1965.
Judges--United States--Biography
Princeton subject headings:
Black, Hugo LaFayette, 1886-1971.
Civil rights--United States--History.
Frankfurter, Felix, 1882-1965.
Judges--United States--Biography.