Columbia subject headings:
Government publications--United States--Bibliography.
World War, 1914-1918--Bibliography.
World War, 1914-1918--United States.
Harvard subject headings:
Government publications--United States--Bibliography.
World War, 1914-1918--Bibliography
World War, 1914-1918--United States
Princeton subject headings:
Government publications--United States--Bibliography.
World War, 1914-1918--Bibliography.
World War, 1914-1918--United States.