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Richmond, W. (1929) The Theory of Identical Elements; Being A Critique of Thorn—Dyke's Theory of Identical Elements And A Reinterpretation of The Problem of Transfer of Training. By Pedro Tamesis Orata, Ph.D. The Ohio State University Studies, Contributions in Principles of Education, No. 3. The University Press, Columbus, Ohio, 1928. Pp. 204.. Psychoanalytic Review 16:453-454