Columbia subject headings:
American fiction--20th century--History and criticism.
English fiction--20th century--History and criticism.
Science fiction, American--History and criticism.
Science fiction, English--History and criticism.
Harvard subject headings:
American fiction--20th century--History and criticism
English fiction--20th century--History and criticism
Science fiction, American--History and criticism.
Science fiction, English--History and criticism.
Princeton subject headings:
American fiction--20th century--History and criticism.
English fiction--20th century--History and criticism.
Science fiction, American--History and criticism.
Science fiction, English--History and criticism.