United Cerebral Palsy Association, New York: “Meeting the Challenge of C.P.”, 1960.
3.
R. S. Illingworth and others: “Recent Advances in Cerebral Palsy”, 1958.
4.
H. Kessler and others: “Principles and Practice of Rehabilitation”.
5.
IllingworthR. S.: “The Development of the Infant and Young Child, Normal and Abnormal”, 1960.
6.
Parents' Handbook, 1958. Some Facts About Cerebral Palsy, 1959. Outside the Treatment Room, 1961. Cerebral Palsy Equipment Leaflets. “Spastics News”: A magazine issued quarterly, etc.
7.
PalsyCerebral: Dr. Perlstein answers questions parents ask, 1961.
8.
Columbia University Post-Graduate Cerebral Palsy Course, Spring, 1959.
9.
“Home for the Day”, 21st October, 1962.
10.
SkatvedtMaria: “Non-motor Defects in Cerebral Palsy”; published in “Child Neurology and Cerebral Palsy”, 1960.