Columbia subject headings:
American literature--20th century--History and criticism--Congresses.
Canadian literature--20th century--History and criticism--Congresses.
Culture in literature--Congresses.
Harvard subject headings:
American literature--20th century--History and criticism--Congresses
Canadian literature--20th century--History and criticism--Congresses.
Culture in literature--Congresses.
Princeton subject headings:
American literature--20th century--History and criticism--Congresses.
Canadian literature--20th century--History and criticism--Congresses.
Culture in literature--Congresses.