1. Frank, J. (1945). Courts on Trial. Princeton, N.J.: Princeton University Press.
2. Quoted in Sutherland, E. H., and Cressey, D. R. (1966). Principles of Criminology. New York: Lippincott.
3. Smith, M. (1966). Percy Foreman: Top trial lawyer. Life Magazine, 60, 92–101.
4. See Frank (1945).
5. Kalven, H., and Zeisel, H. (1966). The American Jury. Boston: Little, Brown, p. 201.