Columbia subject headings:
American literature--20th century--History and criticism.
American literature--African American authors--History and criticism.
Communism and literature--United States--History--20th century.
Marginality, Social, in literature.
Socialism and literature--United States--History--20th century.
Harvard subject headings:
American literature--20th century--History and criticism
American literature--African American authors--History and criticism
Communism and literature--United States--History--20th century.
Marginality, Social, in literature.
Socialism and literature--United States--History--20th century.
Princeton subject headings:
American literature--20th century--History and criticism.
American literature--African American authors--History and criticism.
Communism and literature--United States--History--20th century.
Marginality, Social, in literature.
Socialism and literature--United States--History--20th century.