Columbia subject headings:
Fantasy fiction, English--History and criticism.
Middle Earth (Imaginary place)
Myth in literature.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Criticism and interpretation.
Harvard subject headings:
Christian fiction, English--History and criticism.
Christianity and literature--England--History--20th century.
Fantasy fiction, English--History and criticism.
Good and evil in literature.
Middle Earth (Imaginary place)
Myth in literature.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Religion.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973. Lord of the rings.
Princeton subject headings:
Fantasy fiction, English--History and criticism.
Middle Earth (Imaginary place)
Myth in literature.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Criticism and interpretation.