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"St. Thomas Aquinas and Charles Hartshorne on Change and Process" in Philosophy and the God of Abraham: Essays in Memory of James A. Weisheipl, OP, ed. R. James Long (Toronto: PIMS, 1991) 17-29.
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"The Past Just Ain't What it Used to be: A Response to Kevin Staley and Ronald Tacelli, S.J." Lyceum 4(1992) 1-4.
"Is St. Albert the Great a Dualist on Human Nature?" Proceedings of the American Catholic Philosophical Association (Annual Supplement to the American Catholic Philosophical Quarterly) 67 (1993) 219-229.
“St. Albert the Great on the Union of the Human Soul and Body,” American Catholic Philosophical Quarterly 70 (1996) 103-120.
“St. Bonaventure and the Demonstrability of a Temporal Beginning: A Reply to Richard Davis,” American Catholic Philosophical Quarterly 71 (1997) 225-236.
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“St. Albert the Great and St. Thomas Aquinas on the Presence of Elements in a Compound,” Sapientia 54 (1999) 41-57.
"Christian Philosophy, Etienne Gilson, and Fides et ratio” in Faith and Reason: The Notre Dame Symposium edited by Timothy L. Smith (Notre Dame, IN: St. Augustine’s Press, 2001) 153-166.
“Sources of St. Thomas’ Teaching on Prime Matter” in Aquinas’ Sources, edited by Timothy L. Smith. Edited by Timothy Smith (Notre Dame, IN: St. Augustine’s Press, 2014).
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“Thomas Aquinas on Celestial Matter,” The Thomist. 68,3 (July, 2004) 431-467.
“The Problem of Motion: Mediaeval and Modern,” Science et Esprit 57,3 (2005) 215-228.
“Albertus Magnus and the Categorization of Motion,” The Thomist 70,2 (2006) 2-3-235.
“An Argument for Substantial Form,” The Saint Anselm Journal (e-journal), 5 (2007)
“Introduction to Albert’s Philosophical Work,” with David Twetten, in A Companion to Albert the Great: Theology, Philosophy, and the Sciences, edited by I.M. Resnick. (Leiden: Brill, 2013) 165-172.
“Albert’s Physics”, with David Twetten and Steven C. Snyder, in A Companion to Albert the Great: Theology, Philosophy, and the Sciences, edited by I.M. Resnick (Leiden: Brill, 2013) 173-219, esp. 173-188.
“Albertus Magnus on Creation: Why Philosophy is Inadequate,” The American Catholic Philosophical Quarterly 88 (2014).
“Albertus Magnus: Matter, Motion, and the Heavens.” [Submitted to The Thomist]