Columbia subject headings:
Harvard subject headings:
Fantasy literature, English.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973. Lord of the rings.
Princeton subject headings:
Fantasy fiction, English--History and criticism.
Fiction.
Middle Earth (Imaginary place)
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973. Lord of the rings--Criticism, Textual.