The Tasso Institute provides worldwide trainings and workshops in the field of regression therapy and has published a few books on the subject.
Programs in Dutch and in Portuguese can be found under ‘Opleidingen’ and ‘Português’ respectively. Other programs are in the International Agenda.

Books and how to order them are on the pages of the authors, Hans TenDam and Bert Esser. Articles by Hans TenDam can be found on the page with Downloads.