1. Banks, E. C. (2004). The philosophical roots of Ernst Mach’s economy of thought. Synthese, 109, 23–53.
2. Benis-Sinaceur, H. (2015). Is Dedekind a logicist? Why does such a question arise? In Benis-Sinaceur, Panza, & Sandu (Eds.) Reflections on Frege’s and Dedekind’s logicism: Functions and generality of logic, pp. 1–57.
3. Benis-Sinaceur, H., Panza, M., & Sandu, G. (2015). Reflections on Frege’s and Dedekind’s logicism: Functions and generality of logic. Chem, Heidelberg, New York, Dordrecht, London: Springer.
4. Boolos, G. (1997). Is Hume’s principle analytic? In R. J. Heck Jr. (Ed.), Logic, language and thought: Essays in honour of Michael Dummett (pp. 245–262). Oxford: Clarendon Press. Also in Boolos (1998), pp. 301–314 [I refer to this latter edition].
5. Boolos, G. (1998). Logic, logic and logic. Cambridge, MA and London: Harvard University Press (With introductions and afterword by J. P. Burgess; edited by R. Jeffrey).