Columbia subject headings:
Harvard subject headings:
American literature--20th century--History and criticism
American literature--20th century--History and criticism--Theory, etc.--Dictionaries.
Criticism--United States--Bio-bibliography--Dictionaries.
Criticism--United States--Bio-bibliography.
Criticism--United States--History--20th century
Criticism--United States--History--20th century--Dictionaries.
Critics--United States--Biography--Dictionaries.
Reference works.
Princeton subject headings:
American literature--20th century--History and criticism.
Criticism--United States--Bio-bibliography.
Criticism--United States--History--20th century.
Critics--United States--Biography--Dictionaries.