Columbia subject headings:
Authors, English--20th century--Biography.
Clarke, Arthur C. (Arthur Charles), 1917-2008.
Harvard subject headings:
Authors, English--20th century--Biography
Clarke, Arthur C. (Arthur Charles), 1917-2008--Biography.
Princeton subject headings:
Authors, English--20th century--Biography.
Clarke, Arthur C. (Arthur Charles), 1917-2008.