Columbia subject headings:
American literature--20th century--History and criticism.
Art, American.
Performing arts--United States.
United States--Civilization--20th century.
Harvard subject headings:
American literature--20th century--History and criticism
Art, American.
Performing arts--United States
United States--Civilization--20th century.
Princeton subject headings:
American literature--20th century--History and criticism.
Art, American.
Performing arts--United States.
United States--Civilization--20th century.