Columbia subject headings:
American literature--20th century--History and criticism.
United States--History--1919-1933.
United States--Intellectual life--20th century.
Harvard subject headings:
American literature--20th century--History and criticism
United States--History--1919-1933.
United States--Intellectual life--20th century.
Princeton subject headings:
American literature--20th century--History and criticism.
United States--History--1919-1933.
United States--Intellectual life--20th century.