Barr, M. W. (1898), Some notes on echolalia, with the report of an extraordinary case. J. Neru Merit. Dis., 23:20–30.
2.
Edelhcit, H. (1969), Speech and psychic structure. This Journal, 17:381–412.
3.
Fraiberg, S., personal communication.
4.
Freedman, D. A., Fox-Kolenda, B. J., Margileth, D. A. & Miller, D. H. (1969), The development of the use of sound as a guide to affective and cognitive behavior–a two-phase process. Child Devel., 40:1099–1105.
5.
Freud, S. (1923), The ego and the id. Standard Edition, 19:1–66. London: Hogarth Press, 1961.
6.
Freud, S. (1933), New introductory lectures on psychoanalysis. Standard Edition, 22: 3–182. London: Hogarth Press, 1964.
7.
Furth, H. S. (1966), Thinking Without Language. New York: Free Press.
8.
Ganzaniga, M. S. & Sperry, R. W. (1967), Language after section of the cerebral commisurcs. Brain, 90:131–148.
9.
Gardner, R. A. & Gardner, B. T. (1969), Teaching sign language to a chimpanzee. Science, 165:664–672.
10.
Gesell, A. (1940), The First Five Years. New York: Harper & Bros.
11.
Goodall, J. (1963), My life among wild chimpanzees. Nat. Geogr., 124:272–308.
12.
Hartmann, H. & Loewenstein, R. (1962), Notes on the superego. The Psychoanalytic Study of the Child, 17:42–81. New York: International Universities Press.
13.
Isakower, O. (1939), On the exceptional position of the auditory sphere. Internal. J. Psycho–Anal., 20:340–348.
14.
Jones, H. E. (1926), Phenomenal memorizing as a “special ability.”J. Applied Psychol, 10:367–377.
15.
Klüver, H. (1933), Behavior Mechanisms in Monkeys. Chicago: University of Chicago Press.
16.
Koestler, A. (1964), The Act of Creation. New York: Macmillan.
17.
Lenneberg, E. H. (1967), Biological Foundations of Language. New York: Wiley.
18.
Levine, E. S. (1956), Youth in a Soundless World. New York: New York University Press.
19.
Moore, B. E. & Fine, B. D. (1967), A Glossary of Psychoanalytic Terms and Concepts. New York: American Psychoanalytic Association.
20.
Piaget, J. (1926), The Language and Thought of the Child. New York: Humanities Press, 1952.
21.
Piaget, J. (1952), The Origins of Intelligence in Children. New York: International Universities Press.
22.
Rainer, J. D. & Altshuler, K. Z. (1966), Psychiatry and the Deaf. Washington, D.C.: U.S. Department of Health, Education, and Welfare.
23.
Ritvo, S. & Solnit, A. J. (1960), The relationship of early ego identifications to superego formation. Internal. J. Psycho-Anal., 41:295–300.
24.
Spitz, R. A. (1958), On the genesis of superego components. The Psychoanalytic Study of the Child, 13:375–404. New York: International Universities Press.
25.
Spitz, R. A. (1959), A Genetic Field Theory of Ego Formation. New York: International Universities Press.
26.
Vernon, M. C. (1967), Relationship of language to the thinking process. A. M. A Arch. Gen. Psychiat., 16:325–333.
