Shannon, Thomas W. (Thomas Washington), b. 1866 | Truitt, William John, b. 1867

Doubleday & Co, Garden City, New York, 1970.

Title on spine: Eugenics: The laws of sex life and heredity. 1911 edition published under title: Know thyself; or, Nature's secrets revealed.

616 N22S

536, [16] p. : ill. ; 22 cm.

Nature's secrets revealed: scientific knowledge of the laws of sex life and heredity, or, eugenics : vital information for the married and marriageable of all ages ... together with important hints on social purity, heredity, physical manhood and womanhood by noted specialists, embracing a department on ethics of the unmarried

Shannon, Thomas W. (Thomas Washington), 1866- | Truitt, W. J. (William John), 1867-

S.A. Mullikin, Marietta, Ohio, 1917, [c1916]

First pub. (1911) under title: Know thyself : nature's secrets revealed. "Authors consulted": p. 5 Includes index.

616 N22s 1917

584 p., [8] leaves of plates : ill. (some col.) ; 21 cm.