Contributions to a history of developmental psychology International William T. Preyer Symposium - Bringmann, Wolfgang G.; Eckardt, Georg; Sprung, Lothar; International William T. Preyer Symposium (1982 : Jena, Germany). (Berlin Mouton, 1985)
Keywords: Preyer, William T. -- 1841-1897; Developmental psychology -- History -- Congresses