Reference and Essence (Princeton University Press, 1981; and Basil Blackwell, l982).
Frege’s Puzzle (Cambridge, Mass.: Bradford Books, MIT Press, 1986).
Frege's Puzzle (Second Edition) (Atascadero, Ca.: Ridgeview, 1986, 1991).
Reference and Essence (Second Edition), with new appendices (Amherst, NY: Prometheus Books, 1981, 2005).
Metaphysics, Mathematics, and Meaning: Philosophical Papers I (Oxford University Press, 2006).
Content, Cognition, and Communication: Philosophical Papers II (Oxford University Press, forthcoming, 2007).