Columbia subject headings:
Authors, English--20th century--Correspondence.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Correspondence.
Harvard subject headings:
Anglicists--Great Britain--Correspondence.
Authors, English--20th century--Correspondence
Fantasy literature--Authorship.
Middle Earth (Imaginary place)
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Correspondence.
Princeton subject headings: