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2.
Staff Member of the Pope John Center, “Memorandum Re Anencephaly”, St. Louis, MO.
3.
KellyGerald S. J.Medico-Moral Problems, Catholic Health Association: St. Louis, MO.1958, Chapter 18.
4.
O'DonnellThomas J. S.J.Medicine and Christian Morality.Alba House/Society of St. Paul: New York. 1976, pp. 203–206.
5.
HellmanLouis M., and PritchardJack A.Williams Obstetrics.14th Edition. Appleton-Century-Crofts: New York, 1971, pp. 1069–1072.
6.
“Declaration of the Sacred Congregation for the Doctrine of the Faith on Euthanasia”, May 5, 1980, The Pope Speaks.