Ideal Marriage: Its Physiology And Technique File
: Van de Velde detailed eleven distinct positions for intercourse, categorizing them based on the physical and psychological needs of the couple.
: It offered thorough descriptions of preliminaries (foreplay) and the after-effects of coitus , stressing that the act does not end at climax. Ideal Marriage: Its Physiology and Technique
: Cultivating the "technique of eroticism" to ensure mutual sexual satisfaction. : Van de Velde detailed eleven distinct positions