1. Guiding the child on the principles of individual psychology;Adler,1930
2. Group cotherapists and the therapeutic situation: A critical evaluation;Gans;International Journal of Group Psychotherapy,1962
3. Transference reactions in a group of female patients to male and female co-leaders;Hulse;International Journal of Group Psychotherapy,1956
4. Countertransference between cotherapists in a couples psychotherapy group;Kadis,1973
5. The use of cotherapists in group therapy;Lundin;Journal of Counseling Psychology,1951