ChidesterL. & MenningerK.The Application of Psychoanalytic Methods to the Study of Mental Retardation. Am. J. Orthopsychiat. 6: 616–625. 1936.
2.
ClarkL.Pierce,The Nature and Treatment of Amentia. Baillière Tindall & Cox. London1933.
3.
KleinM. (1930) The Importance of Symbol-Formation in the Development of the Ego. pp. 236–250 of Contributions to Psychoanalysis 1921–1945. Hogarth Press & Intitute of Psycho-Analysis, London. 1948.
4.
LindsayS. F.Private Communication.
5.
NehamSara, Psychotherapy in Relation to Mental Defficiency. Am. J. Ment. Def.55: 557–572. 1951.
6.
SarasonS. B.Uses of Thematic Apperception Test with Mental Defective Children — A Study in High-grade Girls. Am. J. Ment. Def.47: 414–421. 1943.
7.
Psychological Problems in Mental Deficiency. Harper Bros. New York. 1949.