Joseph M. Strayhorn and Jillian C. Strayhorn, «Religiosity and Teen Birth Rate in the United States», Reproductive Health 6, no. 14 (сентябрь 2009): 1–7; Benjamin Edelman, «Red Light States: Who Buys Online Adult Entertainment?», Journal of Economic Perspectives 23, no. 1 (зима 2009): 209–20; Anna Freud, The Ego and the Mechanisms of Defense (New York: Hogarth, 1936); Cara C. MacInnis and Gordon Hodson, «Do American States with More Religious or Conservative Populations Search More for Sexual Content on Google?», Archives of Sexual Behavior 44 (2015): 137–47.