Columbia subject headings:
Harvard subject headings:
Burgess, Guy, 1911-1963.
Espionage, Soviet--Great Britain--History.
Maclean, Donald, 1913-1983.
Mann, W. B. (Wilfrid Basil), 1908-2001.
Philby, Kim, 1912-1988.
Physicists--United States--Biography
Princeton subject headings:
Burgess, Guy, 1911-1963.
Espionage, Soviet--Great Britain--History.
Maclean, Donald, 1913-1983.
Mann, W. B. (Wilfrid Basil), 1908-2001.
Philby, Kim, 1912-1988.
Physicists--United States--Biography.