“Are There Essential Properties? Yes.”, (with Steve Steward), (2016) in Current Controversies in Metaphysics, edited by Elizabeth Barnes, Routledge Publishing.

“Modal Realisms”, Philosophical Perspectives: Metaphysics 20 (2006): 303-331.

“Modal Realism with Overlap”, Australasian Journal of Philosophy 82.1 (2004): 137-152. (This is reprinted in Lewisian Themes, edited by Frank Jackson and Graham Priest, Oxford University Press, September 2004.)

“Discrete Space and Distance”, Synthese 155.1 (2007): 157-162.