Columbia subject headings:
Hoover, Herbert, 1874-1964--Political activity--Congresses.
United States--Economic conditions--1918-1945--Congresses.
United States--Economic policy--To 1933--Congresses.
Harvard subject headings:
Hoover, Herbert, 1874-1964
Hoover, Herbert, 1874-1964--Political career before 1929--Congresses.
United States--Economic conditions--1918-1945--Congresses.
United States--Economic policy--To 1933--Congresses.
Princeton subject headings:
Hoover, Herbert, 1874-1964--Political career before 1929--Congresses.
United States--Economic conditions--1918-1945--Congresses.
United States--Economic policy--To 1933--Congresses.