TY - JOUR A1 - Sperling, M. T1 - Analysis of a Case of Recurrent Ulcer of the Leg JF - A. Freud et al. (Eds.), The Psychoanalytic Study of the Child, Vol. III/IV, New York (International Universities Press) 1949, pp. 391-408. Y1 - 1949 ER - TY - JOUR A1 - Sperling, M. T1 - Animal Phobias in a Two-Year-Old Child JF - R. S. Eissler et al. (Eds.), The Psychoanalytic Study of the Child, Vol. VII: The Mutual Influences in the Development of Ego and Id, New York (International Universities Press) 1952, pp. 115-125. Y1 - 1952 ER -