1. Julie: the treatment of a case of developmental retardation;Ack;The Psychoanalytic Study of the Child,1966
2. Diagnosis and treatment of elective mutism in children;Browne;This Journal,1963
3. Durfee, K. & Barham, F. (1965), Abnormal ear placement as a sign of brain damage (unpublished manuscript).
4. Emotional development in the first year of life;Escalona,1953
5. Developmental Psychology of Jean Piaget;Flavell,1963