Armstrong, Joshua and LePore, Ernest. 2010. “On Expression Identity: A critical notice of Fiengo and May (2006).”International Journal of Philosophical Studies 18(4): 569–579.
Armstrong, Joshua and Stanley, Jason. 2011. “Singular Thoughts and Singular Propositions.”Philosophical Studies 154(2): 205–222.
Further References
Fiengo, Robert and May, Robert C. 2006. De Lingua Belief. Cambridge, Massachusetts: The MIT Press.