- Traumatic Experience in the Unconscious Life of Groups: The Fourth Basic Assumption - Incohesion - Aggregation/Massification or (Ba) I:A/M (International Library of Group Analysis)
- The Social Unconscious in Persons, Groups and Societies: Mainly Theory
- The Social Unconscious: Selected Papers (International Library of Group Analysis, 22)
- The Social Unconscious in Persons, Groups, and Societies: Volume 2: Mainly Foundation Matrices
- The Social Unconscious in Persons, Groups, and Societies: Volume 3: The Foundation Matrix Extended and Re-Configured