Verlag: W.B. Saunders Company, Philadelphia and London, 1965, xv, 264 pp. (Publication of the Insititute of Group Relations, The University of Oklahoma), 1965
Anbieter: Antiquariaat Hortus Conclusus, Bergambacht, Niederlande
Original cloth. Lacks dustjacket, else a very good copy. Text in English. With loose errata leaf, and typoscript review (in Dutch) loosely added. Please see description or ask for photos.