Dialogue

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Book Reviews/Comptes rendus

Modern Theories of Development. By Ludwig von Bertalanffy. New York, Harper Torchbook, TB 554. 1962. Pp. xi, 204. $1.50.

Problems of Life. By Ludwig von Bertalanffy. New York, Harper Torchbook, TB 521. 1960. Pp. viii, 216. $1.35.

T. A. Goudgea1

a1 University of Toronto.

(Online publication March 1964)