1. Hair pulling and fetishism;Buxhaum,1960
2. Normality and Pathology in Childhood;Freud,1965
3. Emotional disorders of childhood;Gerard,1952
4. On ego distortion;Gitflson;Int. J. Psycho-Anal.,1958
5. Trichotillomania, symptom and syndrome;Greenberg;Arch. Gen. Psychiat.,1965