Columbia subject headings:
Harvard subject headings:
American literature--20th century--History and criticism--Congresses
Arts, American--20th century--Congresses.
Cultural relations--Congresses.
Latin America--Relations--United States--Congresses.
United States--Civilization--1945---Congresses.
United States--Relations--Latin America--Congresses.
Princeton subject headings:
American literature--20th century--History and criticism--Congresses.
Arts, American--20th century--Congresses.
United States--Civilization--1945---Congresses.