Columbia subject headings:
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Bibliography.
Harvard subject headings:
Fantasy literature, English--Bibliography.
Middle Earth (Imaginary place)--Bibliography.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Bibliography.
Princeton subject headings:
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Bibliography.