Dobzhansky, Theodosius, 1900-1975. Heredity and the nature of man / Theodosius Dobzhansky. - [1st ed.] - New York : Harcourt, Brace & World, [1964] - x, 179 p. illus. 21 cm. Includes index Subjects--Topical Terms: Human genetics. Dewey Class. No.: 599.935 / DOH 1964