Bertrand Russell, Ray Perkins (Jr.) (2002). “Yours Faithfully, Bertrand Russell: A Lifelong Fight for Peace, Justice, and Truth in Letters to the Editor”, p.35, Open Court Publishing
Interview in "Playboy", 10, No. 3, 42, (March 1963) in "One Nation Underground: The Fallout Shelter in American Culture" by Kenneth Rose, (p. 39), 2004.