TY - JOUR A1 - Waelder, Robert T1 - Critical Discussion of the Concept of an Instinct of Destruction JF - Bulletin of the Philadelphia Association for Psychoanalysis (1956), pp. 97-107. Y1 - 1956 N1 - Xeroxcopy - with marks ER - TY - JOUR A1 - Waelder, Robert T1 - Psychoanalysis: Observation, Theory, Application, New York (International Universities Press) 1976, pp. 308-337. [= Waelder, R., 1980 Y1 - 1976 ER - TY - JOUR A1 - Waelder, Robert T1 - Erfundene Geschichte JF - R. Waelder: Ansichten der Psychoanalyse. Eine Bestandsaufnahme, Stuttgart 1980, pp. 202-238 (Klett-Cotta). Y1 - 1980 ER -