Columbia subject headings:
Harvard subject headings:
American fiction--20th century--History and criticism
Best sellers--Bibliography.
Best sellers--English-speaking countries--Bibliography.
Best sellers.
Books and reading--English-speaking countries--History--20th century.
English fiction--20th century--History and criticism
Popular literature--English-speaking countries--History and criticism.
Princeton subject headings:
American fiction--20th century--History and criticism.
Best sellers--Great Britain--Bibliography.
Best sellers--United States--Bibliography.
Books and reading--History--20th century.
English fiction--20th century--History and criticism.
Popular literature--History and criticism.