Media type: E-Article Title: The Psychoanalytic Study of the Child, Volumes X and XL Edited by Ruth S. Eissler, Anna Freud, Heinz Hartmann, Ernst Kris Contributor: Friend, Maurice R.; Kenworthy, Marion E. Published: Informa UK Limited, 1958 Published in: International Journal of Group Psychotherapy, 8 (1958) 3, Seite 342-343 Language: English DOI: 10.1080/00207284.1958.11642567 ISSN: 0020-7284; 1943-2836 Keywords: Clinical Psychology Origination: Footnote: