Columbia subject headings:
Fantasy fiction, American--History and criticism.
Fantasy fiction, English--History and criticism.
Religion in literature.
Science fiction, American--History and criticism.
Science fiction, English--History and criticism.
Science fiction--Religious aspects.
Harvard subject headings:
Fantasy fiction, American--History and criticism.
Fantasy fiction, English--History and criticism.
Religion in literature.
Science fiction, American--History and criticism.
Science fiction, English--History and criticism.
Science fiction--Religious aspects
Princeton subject headings:
Fantasy fiction, American--History and criticism.
Fantasy fiction, English--History and criticism.
Religion in literature.
Science fiction, American--History and criticism.
Science fiction, English--History and criticism.
Science fiction--Religious aspects.