The new edition takes into account developments in the theory since 1980. These developments have appeared in other works, most notably in volume I of the Way of the Lord Jesus, Christian Moral Principles, Franciscan Herald Press, 1983. For the most recent presentation of the basics of their ethical theory see The American Journal of Jurisprudence.1987, Vol. 32, Notre Dame Law School, Natural Law Institute, pp. 99–151.
2.
One recent extended critique of Grisez's theory is Russell Hittinger's A Critique of the New Natural Law Theory, University of Notre Dame Press, Notre Dame, Indiana, 1987.
3.
A good example of this methodology can be found in Tom Beauchamp and James Childress, Principles of Biomedical Ethics.3rd Edition, Oxford University Press. 1989.
