Article Yourgrau, Palle; (1997)
What is Frege's relativity argument? (/isis/citation/CBB000072682/)

Book Schüler, Wolfgang; (1983)
Grundlegungen der Mathematik in transzendentaler Kritik: Frege und Hilbert (/isis/citation/CBB000007451/)

Article Belna, Jean Pierre; (2002)
Frege et la géométrie projective: la Dissertation inaugurale de 1873 (/isis/citation/CBB000770938/)

Book Frege, Gottlob; (1999)
Zwei Schriften zur Arithmetik: Funktion und Begriff; Ueber die Zahlen des Herrn H. Schubert. Hrsg. von Kienzler, Wolfgang (/isis/citation/CBB000082256/)

Article Belna, Jean-Pierre; (2006)
Objectivité et principe de dualité: Le paragraphe 26 des Fondements de l'arithmétique de Frege (/isis/citation/CBB000770988/)

Article Hill, Claire Ortiz; (1994)
Frege's attack on Husserl and Cantor (/isis/citation/CBB000043998/)

Article Centrone, Stefania; (2010)
Functions in Frege, Bolzano and Husserl (/isis/citation/CBB001210980/)

Book Ricketts, Tom; Potter, Michael D.; (2010)
The Cambridge Companion to Frege (/isis/citation/CBB001211647/)

Thesis David E. Dunning; (2020)
Writing the Rules of Reason: Notations in Mathematical Logic, 1847–1937 (/isis/citation/CBB517005733/)

Article Hunter, David A.; (1996)
Definition in Frege's Foundations of arithmetic (/isis/citation/CBB000072012/)

Chapter Weiner, Joan; (2010)
Understanding Frege's Project (/isis/citation/CBB001211648/)

Chapter Haaparanta, Leila; (2009)
The Relations between Logic and Philosophy, 1874--1931 (/isis/citation/CBB001210347/)

Essay Review Hale, Bob; (1999)
Frege's philosophy of mathematics (/isis/citation/CBB000082264/)

Article Jong, Willem R. de; (1996)
Gottlob Frege and the analytic-synthetic distinction within the framework of the aristotelian model of science (/isis/citation/CBB000072481/)

Article Schirn, Matthias; (1994)
Frege y los nombres de cursos de valores (/isis/citation/CBB000048691/)

Book Joan Weiner; (2021)
Taking Frege at his Word (/isis/citation/CBB236027926/)

Article Günther Eder; (2021)
Frege on intuition and objecthood in projective geometry (/isis/citation/CBB221284966/)

Chapter Heck, Richard; (2010)
Frege and Semantics (/isis/citation/CBB001211655/)

Article Reck, Erich H.; (2013)
Frege, Dedekind, and the Origins of Logicism (/isis/citation/CBB001212886/)

Book Macbeth, Danielle; (2005)
Frege's Logic (/isis/citation/CBB001211035/)