- Bernard Linsky “A note on the “carving up content” principle in Frege's theory of sense”, in: Notre Dame Journal of Formal Logic, vol. 33, no. 1, 1992
- George Bealer “A Solution to Frege’s Puzzle”, in: Revue Internationale du traitement automatique du language, Special Issue on Semantics After Montague, vol. 31, 1992, reprinted in : Philosophical Perspectives, vol. 7, 1993
- ditto “Analyticity”, in: Routledge Encyclopedia of Philosophy, vol. 1, Routledge & Kegan Paul, 1998
- ditto “Intensional Entities”, in: Routledge Encyclopedia of Philosophy, vol. 4, Routledge & Kegan Paul, 1998
- Melvin Fitting “Intensional Logic”, in: The Stanford Encyclopedia of Philosophy, 2006