1. Fruits of philosophy, or, The private companion of adult people Author(s): Knowlton, Charles, 1800-1850 Publication: Philadelphia : F.P. Rogers, printer, 1839 Subject(s): ContraceptionReproductionSexual Behavior
2. Self preservation, manhood, causes of its premature decline: being facts of vital importance to the married and unmarried : also useful hints to lovers, husbands, and wives Author(s): Culverwell, Robert James, 1802-1852 Publication: New York : [s.n., 183-?] Subject(s): Sexual Behavior