Columbia subject headings:
National security--United States--Congresses.
United States--Defenses--Congresses.
United States--History--20th century--Congresses.
United States--Military policy--Congresses.
World politics--20th century--Congresses.
Harvard subject headings:
National security--United States--Congresses
United States--Defenses--Congresses.
United States--Foreign relations--20th century--Congresses.
United States--Military policy--Congresses.
United States--Politics and government--20th century--Congresses.
World politics--20th century--Congresses
Princeton subject headings:
National security--United States--Congresses.
United States--Military policy--Congresses.
United States--Politics and government--20th century--Congresses.
World politics--20th century--Congresses.