Succeeding with difficult clientsRichard L. Wessler, Sheenah Hankin, Jonathan Stern · First published 2001Open the Tome
A practitioner's guide to rational-emotive therapySusan R. Walen, Raymond DiGiuseppe, Richard L. Wessler · First published 1980Open the Tome
The principles and practice of rational-emotive therapyRuth Wessler, Richard L. Wessler · First published 1980Open the Tome
