Philip Zimbardo to Richard I. Evans, July 24, 1972, With Partial Transcription of SPE Narration
in Philip Zimbardo Papers, of University of Akron. Cummings Center for the History of Psychology; with Philip Zimbardo, 1933-, Series 1: Stanford Prison Experiment, 1971-2005, Box M3483, Folder 11a (Alexandria, VA: Alexander Street, originally published 1972), 17 page(s)