KESSEL L. & HYMAN H., « The value of psychoanalysis as a therapeutic procedure », Journal of the American Psychoanalytic Association, 1933, 101 : 1612- 1615. KNAPP P., LEVIN S., MAC CARTER R., WERMER H. & ZETZEL E., « Suitability for Psychoanalysis : a revieuw of one hundred supervised analytic cases », Psychoanalytic Quartely, 1960, 29 : 459-477.
LUBORSKY L., MINTZ J., AUERBACH A., CHRISTOPH P., BACHRACH H., TODD T., JOHNSON M. & O’BRIEN C. P., « Predicting the outcome of Psychotherapy : Findings of the Penn Psychotherapy Project », Archives of General Psychiatry, 1980, 37 : 471-481.