• “Essentialism and Quantified Modal Logic,” Philosophical Review LXXVIII 1 (1969) 35-52. Reprinted in L. Linsky (ed.), Reference and Modality (Oxford University Press, 1971).
  • “An Analysis of Mass Terms and Amount Terms,” Foundations of Language 6 (1970) 362-388. Reprinted in J. Pelletier (ed.), Recent Work on Mass Terms (Reidel, 1979).
  • “Some Problems Concerning the Logic of Grammatical Modifiers,” Synthese 21 (1970) 320-34.
  • “Pronouns as Paraphrases” — An unpublished paper from 1978(?)
  • “A Prolegomenon to Meinongian Semantics,” Journal of Philosophy LXXI 16 (1974) 561-580. Reprinted in E. Morscher, J. Czermak and P. Weingartner (eds.) Problems in Logic and Ontology(Akademische Druck-U. Verlagsantalt, Graz, 1977).
  • “Frege’s Hierarchies of Indirect Sense and the Paradox of Analysis,” Midwest Studies in Philosophy VI, 1981, 37-57.
  • “Fregean Theories of Fictional Objects,” Topoi 1, (1982) 81-87.
  • “What Do Quotation Marks Name? — Frege’s Theories of Quotations and That-Clauses,” Philosophical Studies 42 (1982) 315-28.
  • “Assertion, Denial and the Liar Paradox,” Journal of Philosophical Logic 13 (1984) 137-152.
  • “Why Frege should not have said `The Concept Horse is not a Concept’,” History of Philosophy Quarterly 3 (1986) 449-65.
  • “Entities without Identity,” in James Tomberlin (ed) Philosophical Perspectives, 1 Metaphysics, 1987, (Ridgeview, Atascadero CA, 1987) pp. 1-19. Reprinted in Michael Rea, Material Constitution: A Reader , Rowman & Littlefield, New York, 1997.
  • “On the Consistency of the First-Order Portion of Frege’s Logical System and of his Identification of Truth-Values with Courses of Values,” Notre Dame Journal of Formal Logic 28 (1987) 161-68. Reprinted in Demopoulos, William, Frege’s Philosophy of Mathematics. Cambridge; Harvard University Press, (1995) 422-31.
  • “Russell’s Early Views on Denoting,” in David Austin (ed), Philosophical Analysis (Festschrift for Edmund Gettier), (Kluwer, 1988) pp. 17-44.
  • “The Progressive in English: Events, States and Processes,” Linguistics and Philosophy12 (1989) 213-41.
  • “True Contradictions,” The Canadian Journal of Philosophy 20 (1990) 335-54.
  • Anaphoric Pronouns in Very Late Medieval Supposition Theory,” Linguistics and Philosophy 17: 1994, 429-45.
  • Meinongian Semantics Generalized,” Grazer Philosophische Studien 50: 1995, 145-61.
  • What is an Argument?The Journal of Philosophy 93: 1996, 164-85.
  • Meaning Sensitivity and Grammatical Structure,” in M. L. Dalla Chiara et al. (eds.) Structures and Norms in Science. Kluwer, The Netherlands, 1997, 369-83.
  • Supposition as Quantification or as Global Quantificational Effect?Topoi 1997, 41-63.
  • “The Traditional Square of Opposition: A Biography,” Acta Analytica 18: 1997, 23-49. 49.
    [short version: “The Square of Opposition” in the Stanford Encyclopedia of Philosophy.]
  • Missing Modes of Supposition,” in Kazmi, Ali (ed.), Meaning and Reference, University of Calgary Press, Calgary: 1998, 1-24.
  • Set Theory with Indeterminacy of Identity” (with Peter Woodruff), Notre Dame Journal of Formal Logic 40, 1999, 473-95.
  • Underlying States and Time Travel,” in Higgenbotham, James, Pianesi, Fabio and Varzi, Achille (eds) Speaking of Events. N.Y.: Oxford University Press, 2000, 81-93. 48.
  • “The Logic of Sense and Denotation,” in Anderson, C. Anthony and Zelazny, Michael, Logic, Meaning and Computation: Essays in Memory of Alonzo Church. Kluwer, Dordrecht: 2001, 507-43.
  • Underlying Eventualities and Narrative Progression,” Linguistics and Philosophy: 2002, 681-99.
  • “The Doctrine of Distribution,” History and Philosophy of Logic, 2006.
  • “Supposition Theory in the Later 12th through 14th Centuries”.  Forthcoming in the Handbook of the History of Logic.

Academic Books

Nonexistent Objects, Yale University Press, 1980.
Events in the Semantics of English, MIT Press, 1990.
Indeterminate Identity, Oxford University Press, 2000.