An edition of What a young boy ought to know (1897)
By Sylvanus Stall
Publish Date
1907
Publisher
Y. Weilin
Language
fin
Pages
193
Description:
subjects: Hygiene, Sexual, Sex instruction, Sexual Hygiene, Sexual health, Sex instruction for boys, Masturbation, Moral and ethical aspects, Boys, Health and hygiene, Reproduction, Adolescent Development