1. Vieira, Dr. Edwin, Jr. Undated b. “If the Unborn Child is a Person Entitled to Rights, Abortion is Aggression” (pamphlet). Wheaton, MD: Libertarians for Life
2. Warren, Mary Anne. 1973. “On the Moral and Legal Status of Abortion.” In Lewis M. Schwartz, ed. Arguing About Abortion. Belmont, CA: Wadsworth, 1993, pp. 227–42
3. Stetson, Brad. 1996. “Introduction: The Silent Subject.” In Brad Stetson, ed. The Silent Subject: Reflections on the Unborn in American Culture. Westport, CT: Praeger Publishers, 1996, pp. 1–15
4. Abortion and the control of human bodies
5. Simpson, J. A., and E. S. C. Weiner, eds. 1989. The Oxford English Dictionary, 2nd ed. Oxford: The Clarendon Press