Chapter Goldfarb, Warren; (2010)
Frege's Conception of Logic

Book Künne, Wolfgang; (2010)
Die Philosophische Logik Gottlob Freges: ein Kommentar; mit den Texten des Vorworts zu Grundgesetze der Arithmetik und der Logischen Untersuchungen I--IV

Book Ricketts, Tom; Potter, Michael D.; (2010)
The Cambridge Companion to Frege

Article John Woods; (2021)
What did Frege take Russell to have proved?

Chapter Hylton, Peter; (2010)
Frege and Russell

Article Korte, Tapio; (2010)
Frege's Begriffsschrift as a lingua characteristica

Book Heijenoort, Jean van; (2002)
From Frege to Gödel: A Source Book in Mathematical Logic, 1879-1931

Article Reck, Erich H.; (2013)
Frege, Dedekind, and the Origins of Logicism

Chapter Thiel, Christian; (2009)
Gottlob Frege and the Interplay between Logic and Mathematics

Chapter Weiner, Joan; (2010)
Understanding Frege's Project

Book Frege, Gottlob; (1999)
Idéographie

Article Schirn, Matthias; (2010)
On Translating Frege's Die Grundlagen der Arithmetik

Article Lavers, Gregory; (2013)
Frege, Carnap, and Explication: “Our Concern Here Is to Arrive at a Concept of Number Usable for the Purpose of Science”

Article Shapiro, Stewart; (2003)
Prolegomenon to Any Future Neo-Logicist Set Theory: Abstraction and Indefinite Extensibility

Article Schirn, Matthias; (2013)
Frege's Approach to the Foundations of Analysis (1874--1903)

Article David Sullivan; (2016)
Frege's ‘On the Concept of Number’ (1891) – an Unnoticed Publication

Book Kurt Godel; Solomon Feferman; John W. Dawson; Warren Goldfarb; Charles Parsons; Wilfried Sieg; (2013)
Kurt Gödel: Collected Works: Volume IV

Article Roy, Jean-Michel; (2014)
“ There is no such thing as philosophic logic ”: Le problème de l'exception wittgensteinienne

Article Centrone, Stefania; (2010)
Functions in Frege, Bolzano and Husserl

Article van Heijenoort, Jean; (2012)
Historical Development of Modern Logic