Letter from Ralph H. Turner to Professor Muzafer Sherif, September 21, 1954
in Muzafer and Carolyn Wood Sherif Papers, of University of Akron. Cummings Center for the History of Psychology (1954), Series 5: Research Studies, 1949-1967, Sub-series 2: Robber's Cave Study, 1953-1954, Box M3552, Folder 6 , 1 page(s)