Columbia subject headings:
Harvard subject headings:
Hoover, Herbert, 1874-1964--Views on race relations.
Hoover, Herbert, 1874-1964.
Southern States--Politics and government--1865-1950.
Southern States--Race relations.
Princeton subject headings:
Hoover, Herbert, 1874-1964--Views on race relations.
Southern States--Politics and government--1865-1950.
Southern States--Race relations.