Columbia subject headings:
American literature--19th century--History and criticism.
American literature--20th century--History and criticism.
Utopias in literature.
Utopias.
Harvard subject headings:
American literature--19th century--History and criticism
American literature--20th century--History and criticism
Utopias in literature.
Utopias.
Princeton subject headings:
American literature--19th century--History and criticism.
American literature--20th century--History and criticism.
Utopias in literature.
Utopias.