Century-Crofts.
Sade, D. S. (1965) Some Aspects of Parent-Offspring and Sibling Relations in
a Group of Rhesus Monkeys, With a Discussion of Grooming. American
Journal of Anthropology 23: 1-18. Schaffer, H. R. (1958) Objective Observations of Personality
Development
in Early Infancy. British Journal ofMedica Psychology 31: 174-183. Schaffer, H. R. and Callender, W.
M. (1959) Psychological Effects of
Hospitalization in Infancy. Pediatrics 24: 528-539. Schaffer, H. R. and Emerson, P. (1964) The
Development of Social Attachments
in Infancy. Monographs of the Society for Research in Child Development
29: 1-77. Sears, R. R., Maccoby, E. E., and Levin, H. (1957) Patterns of Child Rearing.
Evanston, ill.: Row, Peterson. Seligman, M. E. P. (1975) Helplessness: on Depression, Development
and
Death. San Francisco: Freeman.
Sluckin, W. (1964) Imprinting and Early Learning. London: Methuen. Spencer-Booth, Y. and Hinde,
R. A. (1966) The Effects of Separating Rhesus
Monkey Infants From Their Mothers for Six Days. Journal of Child
Psychology and Psychiatry 7: 179-198.
Spitz, R. A. (1946) Anaclitic Depression. Psychoanalytic Study of the Child
2:313-342. Spitz, R. A. and Wolf, K. M. (1946) The Smiling Response: a Contribution to
the Ontogenesis of Social Relations. Genetic Psychology Monoerabbs 34: 57-125.
Stengei, E. (1939) Studies on the Psychopathology of Compulsive Wandering.. British'Journal of
Medical Psychology 18:250-254.
—— (1941) On the Aetiology of the Fugue States. Journal of Mental Science 87: 572-599.
—— (1943) Further Studies on Pathological Wandering Journal of Mental
Science 89: 224-241. Stern, D. N, (1977) The First Relationship: Infant and Mother. London:
Fontana/Open Books. Stewart, A. H. et al. (1954) Excessive Infant Crying (Colic) in Relation to
Parent Behaviour. American Journal of Psychiatry 110: 687-694. Strachey, A. (1941) A Note on the
Use of the Word "Internal". International
Journal of Psychoanalysis 22: 37-43.
Tanner.J. M. and Inhelder, B. (eds.) (1956) Discussions onChild Development Volume 1.
(Proceedings of the First Meeting of the World Health Organization Study Group on the Psycho-
biological Development of the Child). London: Tavistock Publications.