Stewardship of Creation: What Catholics should know
about Church teaching on the environment (Indianapolis:
Saint Catherine of Siena Press, 2009).
Christianity and Extraterrestrials? A Catholic
Perspective (New York: iUniverse, 2005).
Faith, Scholarship, and Culture in the 21st
Century. Edited by Marie I. George and Alice Ramos
(American Maritain Association publication, distributed by Catholic
University of America Press, Washington, DC, 2002).
“The Biologist’s Need for Philosophy as Seen through a
Comparison of Aristotle’s Views on Living Things with Those of
Modern Biologists,” forthcoming in Science and Religion…and
“On the Occasion of Darwin’s Bicentennial: Finally Time to
Retire the Fifth Way?” forthcoming in the Proceedings of the
American Catholic Philosophical Association.
“Aristotle vs. the Neo-Darwinians: Human Nature and the
Foundations of Ethics,” in Virtue's End, edited by Fulvio
Di Blasi, Joshua P. Hochschild, and Jeffrey Langan (South
Bend: St. Augustine’s Press, 2008).
“Thomas Aquinas Meets Nim Chimpsky: On the Debate about
Human Nature and the Nature of Other Animals,” The Aquinas
Review, 10, 2003, 1–50.
“On the Tenth Anniversary of Barrow and Tipler's Anthropic
Cosmological Principle: Thomistic Reflections on
Anthropic Principles,” American Catholic Philosophical
Quarterly, 72, 1, Winter 1998, 39–58.
“Aquinas on Reincarnation,” The Thomist, 60, 1, January
“Wonder as Source of Philosophy and of Science: A
Comparison,” Philosophy in Science (Tucson: Pachart
Publishing House, 1995), 97–128.
“Imagination as Source of Falsehood according to Aquinas,”
Proceedings of the American Catholic Philosophical
Association, 67, 1993, 187–202.