Columbia subject headings:
Harvard subject headings:
United States. Army--History--Vietnam War, 1961-1975.
United States. Army--History--Vietnamese Conflict, 1961-1975.
Vietnam War, 1961-1975--Campaigns
Vietnam War, 1961-1975--United States
Princeton subject headings:
United States. Army--History--Vietnamese Conflict, 1961-1975.
Vietnam War, 1961-1975--Campaigns.
Vietnam War, 1961-1975--United States.