Columbia subject headings:
World War, 1914-1918--Equipment and supplies--Congresses.
World War, 1914-1918--Manpower--Congresses.
World War, 1914-1918--Medical care--Congresses.
Harvard subject headings:
World War, 1914-1918--Equipment and supplies--Congresses.
World War, 1914-1918--Manpower--Congresses.
World War, 1914-1918--Medical care--Congresses.
Princeton subject headings:
World War, 1914-1918--Equipment and supplies--Congresses.
World War, 1914-1918--Manpower--Congresses.
World War, 1914-1918--Medical care--Congresses.