Hoxter, S. (1968) James and Joyce Robertson: Young Children in Brief Separation. No. 1: Kate, aged 2 years, 5 months, in foster-care for 27 days. Guide booklet. No. 2: Jane, aged 17 months, in foster-care for 10 days. Guide booklet. Tavistock Child Development Research Unit, London. 1968. New York University Film Library, New York.. Journal of Child Psychotherapy 2:80-81