Columbia subject headings:
American literature--20th century--History and criticism.
Authors and publishers--United States.
Publishers and publishing--United States.
Harvard subject headings:
American literature--20th century--History and criticism
Authors and publishers--United States--History--20th century.
Literature publishing--United States--History--20th century.
Princeton subject headings:
American literature--20th century--History and criticism.
Authors and publishers--United States--History--20th century.
Literature publishing--United States--History--20th century.