Adler, Jack, and Berman, Irwin R. : "Multiple leadership in group treatment of delinquent adolescents." Int. J. group Psychother., 1960, 10, 213-225.
2.
Brown, G.W., Carstairs, G.M., and Topping, G.: "Post-hospital adjustment of chronic mental patients." Lancet.1958, 2, 685.
3.
Chittick, Rupert, Brooks, George, Irons, Francis, and Deane, William: The Vermont Story. Burlington, Vermont: Queen City Printers Inc., 1961.
4.
Gans, Robert W.: "Group co-therapists and the therapeutic situation: a critical evaluation." Int. J. group Psychother. , 1962, 12, 82-88.
5.
Hulse. Wilfred C., Lulow, William V., Rindsberg , Bianca K., and Epstein, N.B.: "Transference reactions in a group of female patients to male and female co-leaders." Int. J. group Psychother., 1956, 6, 430-435.
6.
Kaldeck, Rudolph: "Group psychotherapy by nurses and attendants ." Dis. nerv. Syst., 1951, 12.
7.
Kassoff, Arthur: "Advantages of multiple therapists in a group of severely acting-out adolescent boys." Int. J. group Psychother. , 1958, 8, 70-75.
8.
Lundin, W.H. , and Aronov, B.M.: "The use of co-therapists in group psychotherapy ." J. consult. Psychol., 1958, 16, 76-81.
