1. Science of life and sex purity: invaluable knowledge of God's sacred laws of sex nature and heredity : vital information for all married and marriageable men and women : comprehensive guide to parents and teachers, for the instruction of children in sex purity : facts to help parents safeguard the morals of their children against ignorant or vicious associates Author(s): Shannon, Thomas W. (Thomas Washington), 1866- author Publication: Marietta, Ohio : The S.A. Mullikin Company, [1917] Subject(s): Sex Education -- methodsSexual BehaviorSexuality
