Mathematics in Kant’s Critical Philosophy. Studies in Philosophy: Outstanding Dissertations Series, Robert Nozick, ed., Routledge, 2003.

* "On Kant's Question 'How is Pure Mathematics Possible?'" invited for inclusion in a collective commentary on Kant's Prolegomena to Any Future Metaphysics, forthcoming.

* "The Transcendental Aesthetic" in The Cambridge Companion to Kant's Critique of Pure Reason, Paul Guyer, ed., Cambridge University Press, 2010.

* "Kant’s Philosophy of Mathematics" in The Cambridge Companion to Kant, 2nd edition, Paul Guyer, ed., Cambridge University Press, 2006.

* "Apriority and Application: Philosophy of Mathematics in the Modern Period" in The Oxford Handbook of Philosophy of Math and Logic, Stewart Shapiro, ed., Oxford University Press, 2005.

* "Kant's ‘Argument from Geometry'" The Journal of the History of Philosophy 42:2, April 2004

* "Reflections on Kant’s Concept (and Intuition) of Space" Studies in History and Philosophy of Science 34:1, March 2003

* "Kant on the ‘Symbolic Construction’ of Mathematical Concepts" Studies in History and Philosophy of Science 29:4, December 1998;  reprinted in volume XXI of The Philosopher's Annual, a volume containing the ten best articles published in philosophy in 1998.

Review of Sebastian Gardner's Kant and the Critique of Pure Reason, Mind 110: 439, July 2001.