1. “Diagnostic and Statistical Manual of Mental Disorder,”,1994
2. Le syndrome de l'ancien prématuré. Recherche sur sa signification;Berges;Revue de Neuropsychiatrie Infantile,1969
3. “Children in the Hospital,”;Bergmann,1965
4. Maturation and ontogeny of motor skills;Connolly,1981
5. The ego under observation;De Raeymaecker,1981