1. Separation anxiety in young children: a study of hospital cases;Edelston;Genet. Psych. Monogr.,1943
2. A two year old goes to hospital;Bowlby,1945
3. Hospitalism: an inquiry into the genesis of psychiatric conditions in early childhood;Spitz,1945
4. Comparison of clinical characteristics of children with cleft palates and children in a child guidance clinic;Gluck;Perceptual and Motor Skills,1965
5. The smiling responses: a contribution to the ontogenesis of social relations;Spitz;Genet. Psych. Monogr.,1946