Columbia subject headings:
Middle Earth (Imaginary place)
Mythology, Celtic, in literature.
Mythology, Norse, in literature.
Mythology.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Criticism and interpretation.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Knowledge and learning.
Harvard subject headings:
Language and languages in literature.
Middle Earth (Imaginary place)
Mythology, Celtic, in literature.
Mythology, Norse, in literature.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Criticism and interpretation.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Knowledge--Mythology.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Language.
Princeton subject headings:
Language and languages in literature.
Middle Earth (Imaginary place)
Mythology in literature.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Characters.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Criticism and interpretation.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Knowledge--Language and languages.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Knowledge--Literature.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Knowledge--Mythology.