Polarities of Experiences: Relatedness and Self-definition in Personality Development, Psychopathology and the Therapeutic Process, by Sidney J. Blatt, Amer Psychological Assn, 2008

Relatedness, Self-Definition and Mental Representation: Essays in honor of Sidney J. Blatt, ed. by Carrie E. Schaffer, John S. Auerbach, Routledge, 2005

https://en.wikipedia.org/wiki/Sidney_Blatt

https://docs.google.com/presentation/d/157Pg7kOcUN8calM2uyCo8ZrEZJOqgjF-j9XGUJmkPA8/edit?usp=sharing