Columbia subject headings:
Military intelligence--History--20th century--Congresses.
Military intelligence--History--Congresses.
Military intelligence--United States--History--Congresses.
World War, 1939-1945--Military intelligence--Congresses.
Harvard subject headings:
Military intelligence--History--20th century--Congresses.
Military intelligence--History--Congresses.
Military intelligence--United States--History--Congresses.
World War, 1939-1945--Military intelligence--Congresses.
Princeton subject headings:
Military intelligence--History--20th century--Congresses.
Military intelligence--History--Congresses.
Military intelligence--United States--History--Congresses.
World War, 1939-1945--Military intelligence--Congresses.