Mutual insights on Peirce and HusserlPietarinen, Ahti-Veikko; Shafiei, Mohammad; Stjernfelt, FrederikPeirce and Husserl : mutual insights on logic, mathematics and cognition2019 / p. 3-15 https://doi.org/10.1007/978-3-030-25800-9_1

Peirce : 5 questions2014

Peirce and diagrams : two contributors to an actual discussion review each otherPietarinen, Ahti-Veikko; Stjernfelt, FrederikSynthese2015 / p. 1073-1088 http://dx.doi.org/10.1007/s11229-015-0658-8

Semiotics in mathematics and logicPietarinen, Ahti-Veikko; Stjernfelt, FrederikBloomsbury Semiotics Volume 2: Semiotics in the Natural and Technical Sciences2022 / p. 13-14 https://doi.org/10.5040/9781350139350.ch-1

Tracking the diagrammatic turn in recent philosophy of notationChampagne, Marc; Bellucci, Francesco; Burton, James; Stjernfelt, Frederik; Pietarinen, Ahti-Veikko15th Congress of Logic, Methodology and Philosophy of Science CLMPS 2015 : University of Helsinki, 3-8 August 2015 : book of abstracts2015 / p. 171-174 http://clmps.helsinki.fi/materials/CLMPS_LC_book%20of%20abstracts%2029.7.2015.pdf