. . . "The mystery of sex and race regeneration : a sane, sensible and reasonable approach to the highly important but much involved problem of sex from the natural, moral and religious aspects and having the REgeneration of the race in view" . . "The mystery of sex and race regeneration a sane, sensible and reasonable approach to the ... problem of sex from the natural, moral and religious aspects and having the regeneration of the race in view"@en . . . . . . "The mystery of sex and race regeneration; a sane, sensible and reasonable approach to the ... problem of sex from the natural, moral and religious aspects and having the regeneration of the race in view" . . . "Sexual Behavior." . .