Columbia subject headings:
Lewis, C. S. (Clive Staples), 1898-1963--Religion.
Harvard subject headings:
Christian literature, English--History and criticism.
Didactic fiction, English--History and criticism.
Ethics in literature.
Lewis, C. S. (Clive Staples), 1898-1963--Ethics.
Lewis, C. S. (Clive Staples), 1898-1963--Political and social views.
Literature and society--England--History--20th century.
Social problems in literature.
Princeton subject headings: