Wells, H. G. 1866-1946. Reproduction, heredity and the development of sex. / H. G. Wells, Julian Huxley [and] G. P. Wells. With ill. by L. R. Brightwell and oth ers. - London: Cassell, 1935. - x, 222 p. : ill., diagrs.; 19 cm. - The science of life series; no. 4. . Subjects--Topical Terms: Reproduction.Genetics.Sex.Heredity. Dewey Class. No.: 575