Columbia subject headings:
Harvard subject headings:
Nineteen sixty-eight, A.D.
Nineteen sixty-eight, A.D.--Pictorial works.
Subculture--Pictorial works.
Subculture.
Utopias
Utopias--Pictorial works.
Youth protest movements--Pictorial works.
Youth protest movements.
Princeton subject headings:
Literature and society.
Literature, Modern--20th century.
Nineteen sixty-eight, A.D.
Protest movements--History--20th century.
World politics--1965-1975.