General Articles
Edward N. Zalta, ``Frege’s Logic, Theorem, and Foundations for Arithmetic'', Stanford Encyclopedia of Philosophy.
[ http://plato.stanford.edu/entries/frege-logic/ ]
Alexander George, Richard Heck, ``Frege'', Routledge Encyclopedia of Philosophy.
[ REP ]
Background
Alberto Coffa, ``Kant, Bolzano, and the Emergence of Logicism'', Journal of Philosophy 79 (1982): 679--689.
[ Jstor ]
Mathematical Truth
Paul Benacerraf, ``Mathematical Truth'', Journal of Philosophy 70 (1973): 661--679.
[ Jstor ]
Bob Hale & Crispin Wright, ``Benacerraf’s Dilemma Revisited'', European Journal of Philosophy 10 (2002): 101--129.
[ Arché | Ingenta ]
Concepts
Tyler Burge, ``Frege on Extensions of Concepts, from 1884 to 1903'', Philosophical Review 93 (1984): 3--34.
[ Jstor ]
Zahlangaben
Ian Rumfitt, ``Concepts and Counting'', Proceedings of the Aristotelian Society 102 (2001): 41--68.
[ Ingenta ]
Numbers as Objects
Paul Benacerraf, ``What Numbers Could not Be'', Philosophical Review 74 (1965): 47--73.
[ Jstor ]
Bob Hale, ``Frege's Platonism'', Philosophical Quarterly 34 (1984): 225--241.
[ Jstor ]
Logicism
Ian Rumfitt, ``Logic And Existence'', Supplement to the Proceedings of The Aristotelian Society 73 (1999): 151-180.
[ Ingenta ]
The Caesar Problem
Richard Heck, ``The Julius Caesar Objection'' in R. Heck (ed.), Language, Thought, and Logic: Essays in Honour of Michael Dummett (Oxford: Oxford University Press, 1997), pp. 273--308.
[ Richard Heck's website ]
Bob Hale & Crispin Wright, ``To Bury Caesar...'' in Hale & Wright, The Reason's Proper Study (OUP, 2001).
[ Arché ]
Book Reviews
Michael Dummett, ``An Unsuccessful Dig'' (review of: Frege: Logical Excavations, G. P. Baker, P. M. S. Hacker), Philosophical Quarterly 34 (1984): 377--401.
[ Jstor ]
G. P. Baker, P. M. S. Hacker, ``Dummett's Dig: Looking-Glass Archaeology'', Philosophical Quarterly 37 (1987): 86--99.
[ Jstor ]
Michael Dummett, ``Reply to `Dummett's Dig', by Baker and Hacker'', Philosophical Quarterly, Vol. 38 (1988): 87--103.
[ Jstor ]
G. P. Baker, P. M. S. Hacker, ``The Last Ditch'' Philosophical Quarterly 39 (1989): 471--477.
[ Jstor ]