Moral physiology, or, A brief and plain treatise on the population question Moral physiology Brief and plain treatise on the population question Owen, Robert Dale, 1801-1877 author. Reproductive Behavior -- ethics Coitus Interruptus Tenth edition, with notes by the publisher Boston : J.P. Mendum, 1875 Text Illustrations Plates 88 pages, 2 unnumbered leaves of plates nlm:nlmuid-60520630R-bk 60520630R http://resource.nlm.nih.gov/60520630R English The National Library of Medicine believes this item to be in the public domain : https://creativecommons.org/publicdomain/mark/1.0/