DollE. A.PhelpsW. M.MelcherR. T., Mental Deficiency Due to Birth Injuries. MacMillan, New York: 1932.
2.
PintnerEisensonStanton. The Psychology of the Physically Handicapped. F. S. Crofts, New York: 1941.
3.
PhelpsW. M., When a Child Has Cerebral Palsy. Reprint from The Child, Vol. II, No. 12.
4.
WechslerD.The Measurement of Adult Intelligence. (3rd Ed.) Williams and Wilkins, Baltimore: 1944.
5.
WernerH.StraussA. A., Impairment in Thought Processes of Brain-Injured Children, American Journal of Mental Deficiency, Jan. 1943, XLVII, No. 3, 291–295.
6.
WolffW., The Personality of the Pre-School Child. Grone & Stratton, New York: 1946.
