Binet, A.: The Psychology of Reasoning, Chicago: Open Court Publ. Co., 1912.
2.
Buktenica, N. A.: Relative contributions of auditory and visual percep tion to first-grade language learning. Unpublished doctoral dissertation, Univ. of Chicago, 1966.
3.
Freud, S.: On Aphasia: A Critical Study. Translated by E, Stengel, New York: International Univ. Press, 1953.
4.
Galton, F.: Inquiries Into Human Faculty and Its Development, London: J. M. Dent, & Co., 1883.
5.
Kirk, S. A.: Illinois Test of Psycholinguistic Abilities, Champaign, Ill.: Univ. of Ill Press, 1961.
6.
Osgood, C. E.: Motivational Dynamics of Language Behavior. In M. Jones (Ed.) Nebraska Symposium on Motivation. Lincoln: Univ. of Nebr. Press, 1957. 349–424.
7.
Wepman, J. M., Jones, L. V., Bock, R. D., & Van Pelt, D.: Studies in aphasia: Background and theoretical formulation. J. of Speech and Hearing Disorders. 1960, 25, 323–332.