Columbia subject headings:
United States--Politics and government--1963-1969.
United States--Politics and government--1969-1974.
Vietnam War, 1961-1975--Protest movements--United States.
Harvard subject headings:
United States--Politics and government--1963-1969.
United States--Politics and government--1969-1974.
Vietnam War, 1961-1975--Protest movements--United States
Princeton subject headings:
United States--Politics and government--1963-1969.
United States--Politics and government--1969-1974.
Vietnam War, 1961-1975--Protest movements--United States.