Columbia subject headings:
Authors, English--20th century--Biography.
Lewis, C. S. (Clive Staples), 1898-1963.
Harvard subject headings:
Authors, English--20th century--Biography
Lewis, C. S. (Clive Staples), 1898-1963
Lewis, C. S. (Clive Staples), 1898-1963--Biography.
Princeton subject headings: