Columbia subject headings:
Peace movements--History--20th century.
Vietnam War, 1961-1975--Peace.
Vietnam War, 1961-1975--Protest movements.
Harvard subject headings:
Peace movements--History
Vietnam War, 1961-1975--Peace
Vietnam War, 1961-1975--Protest movements
Princeton subject headings:
Peace movements--History.
Vietnam War, 1961-1975--Peace.
Vietnam War, 1961-1975--Protest movements.