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 ; a word at the right time to the boy, girl, young man, young woman, husband, wife, father and mother ; also timely help, counsel and instruction for every member of every home ; together with important hints on social purity, heredity, physical manhood and womanhood by noted specialists embracing a department of ethics of the unmarried / by T. W. Shannon ; introduced by Samuel Fallows; medical department by W. J. Truitt.

Date:

1917