Columbia subject headings:
National security--United States--Congresses.
United States--Foreign relations administration--Congresses.
United States--Foreign relations--1981-1989--Congresses.
Vietnam War, 1961-1975--Influence--Congresses.
Vietnam War, 1961-1975--United States--Congresses.
Harvard subject headings:
National security--United States--Congresses
United States--Foreign relations administration--Congresses.
United States--Foreign relations--1981-1989--Congresses.
Vietnam War, 1961-1975--Influence--Congresses.
Vietnam War, 1961-1975--United States--Congresses.
Princeton subject headings:
National security--United States--Congresses.
United States--Foreign relations administration--Congresses.
United States--Foreign relations--1981---Congresses.
Vietnam War, 1961-1975--Influence--Congresses.
Vietnam War, 1961-1975--United States--Congresses.