Columbia subject headings:
Hoover, Herbert, 1874-1964--Congresses.
Reconstruction (1914-1939)--Congresses.
United States--Foreign relations--1913-1921--Congresses.
World War, 1914-1918--Diplomatic history--Congresses.
World War, 1914-1918--Food supply--Congresses.
World War, 1914-1918--United States--Congresses.
Harvard subject headings:
Hoover, Herbert, 1874-1964--Congresses.
Reconstruction (1914-1939)--Congresses.
United States--Foreign relations--1913-1921--Congresses.
World War, 1914-1918--Diplomatic history--Congresses.
World War, 1914-1918--Food supply--Congresses.
World War, 1914-1918--United States--Congresses.
Princeton subject headings:
Hoover, Herbert, 1874-1964--Congresses.
Reconstruction (1914-1939)--Congresses.
United States--Foreign relations--1913-1921--Congresses.
World War, 1914-1918--Diplomatic history--Congresses.
World War, 1914-1918--Food question--Congresses.
World War, 1914-1918--United States--Congresses.