TY  - BOOK
AU  - Costler, A.
AU  - Willy, A.
TI  - Encyclopedia of sexual knowledge
SN  - [sin ISBN]
U1  - R 612.6 C842 
PY  - 1937///
CY  - New York (State)
PB  - Eugenics Publishing Company
KW  - Sexo
KW  - Reproducción
N1  - The evolution of love - description of the male and female genital - sexuality in children - sexual enlightenment - theśins of youth - the consequences of masturbation - puberty - from girlhood to puberty - from adolescense to manhood - sexual intercourse - procreation - the imperfections of love - venereal disease
ER  -