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Noonan, John Thomas 1926-, Paul Ramsey, James M. Gustafson, Bernhard 1912- Haring, George Huntston Williams, John M. Finnis, and David W. Louisell. The Morality of Abortion: Legal and Historical Perspectives. Cambridge, Massachusetts: Harvard University Press, 1970.

Noonan, John Thomas 1926-, et al. The Morality of Abortion: Legal and Historical Perspectives. Cambridge, Massachusetts: Harvard University Press, 1970.