1. Freud, S.: Dostoevsky and parricide (1928). Collected Papers, Vol. 5, p. 222. Basic Books. New York. 1959.
2. Wertham, F.: Dark Legend. Duell, Sloan & Pearce. New York. 1941.
3. McKnight, C. K.; Mohr, J. W.; Quinsey, R. E., and Erochko, J.: Matricide and mental illness. Canadian Psychiat. Assn. J., 11: 99–106, 1966.