Columbia subject headings:
Christianity in literature.
Light and darkness in literature.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973. Silmarillion.
Harvard subject headings:
Christianity and literature--England--History--20th century.
Christianity in literature.
Fantasy fiction, English--History and criticism.
Light and darkness in literature.
Middle Earth (Imaginary place)
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Language.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Logos.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973. Silmarillion.
Princeton subject headings:
Christianity in literature.
Light and darkness in literature.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973. Silmarillion.