Clarke’s Dictionary of Transactional Analysis is a compendium of definitions, diagrams, organizations, biographies, and awards is a comprehensive and inclusive encyclopedia of all matters TA. This one-of-a-kind reference work has entries from the earliest days (when Dr. Berne held seminars in his home) through the latest edition of the Transactional Analysis Journal. Here you can find precis of the ideas, thoughts, and writings of both the originators of this cutting-edge discipline, and the most recent practitioners.

Susan Legender Clarke is an educational member of the ITAA. She studied with Jean Illsley Clarke from 1993 to 1998 with students from Finland and Peru as well as all over the USA – truly an international gathering. Dr. Clarke wanted to have a central source of information about TA for the set homework, and so the Dictionary was conceived.