1. Moral physiology, or, A brief and plain treatise on the population question Author(s): Owen, Robert Dale, 1801-1877, author Publication: Boston : J.P. Mendum, 1875 Subject(s): Reproductive Behavior -- ethicsCoitus Interruptus
2. The preventive obstacle, or, Conjugal onanism: the dangers and inconveniences to the individual, to the family, and to society, of frauds in the accomplishment of the generative functions Author(s): Bergeret, L. F. E. (Louis François Etienne), 1814-1893 Publication: New York : Turner & Mignard, 1870 Subject(s): Coitus InterruptusSexual Behavior -- ethics