1. Experiences in research in psychotherapy with schizophrenic patients;Betz,1962
2. Critique and reformulation of “learning-theory” approaches to psychotherapy and neurosis;Breger;Psychological Bulletin,1965
3. Learning theory and behavior therapy: A reply to Rachman and Eysenck;Breger;Psychological Bulletin,1966
4. Discussion of papers on therapist's contribution;Colby,1962
5. Psychotherapeutic processes;Colby;Annual Review of Psychology,1964