Survey chapters (with an abundance of references)
- Lietaer , G. and Dierick , P . 1996 . “ Client-centered group psychotherapy in dialogue with otherorientations: Commonality and specificity ” . In Client-centered and experiential psychotherapy. A paradigm in motion , Edited by: Hutterer , R , Pawlowsky , G , Schmid , P. F and Stipsits , R . 563 – 583) . Frankfurt am/Main : Peter Lang . (Eds.), [For a slightly revised version, see: Lietaer, G., & Keil, W.W. (2002). Klientenzentrierte Gruppenpsychotherapie. InW.W.Keil & G. Stumm (Eds.), Die vielen Gesichter der personzentrierten Psychotherapie(pp. 295–318). Wien/New York: Springer]
- Page , R. C. , Weiss , J. F. and Lietaer , G . 2002 . “ Humanistic group psychotherapy ” . In Humanistic psychotherapies. Handbook of research and practice , Edited by: Cain , D. J and Seeman , J . 339 – 368 . D.C.: APA : Washington .
- Schmid , P.F. and O'Hara , M . 2007 . “ Group therapy and encounter groups ” . In The handbook of person-centred psychotherapy and counseling , Edited by: Cooper , M , O'Hara , M , Schmid , P.F and Wyatt , G . 93 – 106) . Houndmills, Basingstoke : Palgrave Macmillan .