, 2014, 'How to be sure: sensory exploration and empirical certainty', Philosophy and Phenomenological Research 88 (1), 38-69.
, 2008a, 'Reply to Egan and Clark', Philosophy and Phenomenological Research 76 (2), 415-421.
, 2008b, 'Seeing, doing, and knowing: a précis', Philosophy and Phenomenological Research 76 (2), 392-399.
with Hankinson, R. J. , 1993a, 'Aristotle's universe: its form and matter', Synthese 96 (3), 417-435.