Columbia subject headings:
Protest poetry, American--20th century--History and criticism.
Vietnam War, 1961-1975--Literature and the war.
Harvard subject headings:
Bly, Robert
Duncan, Robert, 1919-1988.
Ginsberg, Allen, 1926-1997
Levertov, Denise, 1923-1997.
Protest poetry, American--20th century--History and criticism.
Vietnam War, 1961-1975--Literature and the war
Princeton subject headings:
American poetry--20th century--History and criticism.
Peace movements in literature.
Protest poetry, American--History and criticism.
Vietnam War, 1961-1975--Literature and the war.
Vietnam War, 1961-1975--Protest movements.
War in literature.