Note 42 — Chapter XV
Reading edition
The works of Dr. W. S. Hall, From Boyhood to Manhood, for parents' guidance with boys of thirteen to eighteen; E. Lyttleton, Training of the Young in Laws of Sex, is excellent for fathers; Reproduction and Sexual Hygiene is a text for older youth to be recommended; also, for reading, N. E. Richardson, Sex Culture Talks, D. S. Jordan, The Strength of Being Clean.