Columbia subject headings:
English fiction--20th century--History and criticism.
Fantasy fiction, English--History and criticism.
Lewis, C. S. (Clive Staples), 1898-1963--Criticism and interpretation.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Criticism and interpretation.
Williams, Charles, 1886-1945--Criticism and interpretation.
Harvard subject headings:
English fiction--20th century--History and criticism
Fantasy fiction, English--History and criticism.
Lewis, C. S. (Clive Staples), 1898-1963--Criticism and interpretation.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Criticism and interpretation.
Williams, Charles, 1886-1945--Criticism and interpretation.
Princeton subject headings:
English fiction--20th century--History and criticism.
Fantasy fiction, English--History and criticism.
Lewis, C. S. (Clive Staples), 1898-1963--Fictional works.
Tolkien, J. R. R. (John Ronald Reuel), 1892-1973--Criticism and interpretation.
Williams, Charles, 1886-1945--Fictional works.