Vlasáková, Marta, cLogic and Setsd, In: Logic and Logical Philosophy 29 (2020), 71-95
V. Peckhaus, Mathematical Reviews, M86076 (2021).
LibreCat: /record/29144

Bolzano, Bernard, "Briefe an Michael Josef Fesl 1831–1836", hg. v. Otto Neumaier, Frommann-Holzboog, Eckhart Holzboog: Stuttgart-Bad Cannstatt 2020 (Bernard Bolzano-Gesamtausgabe. Reihe III: Briefwechsel. Bd. 2.2)
V. Peckhaus, zbMATH Open, Zbl. 1475.01044 (2021).
LibreCat: /record/28707

Kovad, Sreko, cLogical Foundations and Kans Principles of Formal Logicd, History and Philosophy of Logic 40 (2020)
V. Peckhaus, Mathematical Reviews, M53233 (2021).
LibreCat: /record/29142

Negrepontis, Stelios, cPlato on Geometry and the Geometersd, in: S.G. Dani et al. (eds.), Geometry in History, Cham: Springer 2019, 1388
V. Peckhaus, zbMATH Open, Zbl. 1471.01007 (2021).
LibreCat: /record/28705

Logik
V. Peckhaus, in: F. Beiderbeck, W. Li, S. Waldhoff (Eds.), Gottfried Wilhelm Leibniz. Rezeption, Forschung, Ausblick, Steiner Verlag, Stuttgart, 2020, pp. 537–547.
LibreCat: /record/17638

Kurt Gödel, Collected Works, Vol. IV: Correspondence A–G, Vol. V: Correspondence H. Ed. by Solomon Feferman et al. Oxford: Clarendon Press 2003
V. Peckhaus, Historia Mathematica 50 (2020) 87–90.
LibreCat: /record/17816

The Mathematical World of Charles L. Dodgson (Lewis Carroll). Edited by Robin Wilson and Amirouche Moktefi. Oxford University Press: Oxford 2019
V. Peckhaus, British Journal for the History of Mathematics 35 (2020) 175–177.
LibreCat: /record/17818

The Continued Exercise of Reason. Public Addresses by George Boole. Edited by Brendan Dooley. The MIT Press: Cambridge, Mass. and London, Engl. 2018
V. Peckhaus, Isis (n.d.).
LibreCat: /record/17817

Grußwort
V. Peckhaus, in: Verleihung der Ehrendoktorwürde an Maria von Welser durch die Fakultät für Kulturwissenschaften der Universität Paderborn am 14. November 2019, Paderborn, 2020, pp. 3–4.
LibreCat: /record/17895

van Atten, Mark, "Essays on Gödel’s Reception of Leibniz, Husserl, Brouwer", Springer: Cham u.a. 2015 (Logic, Epistemology, and the Unity of Science, 35)
V. Peckhaus, Zentralblatt für Mathematik und ihre Grenzgebiete (2020).
LibreCat: /record/18738

Edwards-McKie, Susan, "On the infinite, in-potentia: discovery of the hidden revision of Philosophical Investigations and its relation to TS 209 through the eyes of Wittgenstein's Mathematics", in: Mras, Gabriele M. et al. (eds.), Philosophy of logic and mathematics. Proceedings of the 41. international Ludwig Wittgenstein Symposium, de Gruyter: Berlin 2019, 441-456
V. Peckhaus, Zentralblatt für Mathematik und ihre Grenzgebiete (2020).
LibreCat: /record/28702

Wittgenstein, Ludwig, Wiener Ausgabe, Bd. 8.2: Synopse der Manuskriptbände V bis X, hg. v. Michael Nedo, Vittorio Klostermann: Frankfurt a.M. 2019
V. Peckhaus, zbMATH Open, Zbl 1445.01036 (2020).
LibreCat: /record/28698

Coury, Aline Germano Foseca; Vilela, Denise Silva, cRussell9s Paradox: A Historical Study About the Paradox in Frege9s Theoriesd, In: Revista Brasileira de História da Mathématica 19, No. 37, 953116
V. Peckhaus, Mathematical Reviews, M24871 (2020).
LibreCat: /record/18997

Paakki, Jukka, Arti Salomaa: Mathematician, Computer Scientist, and Teacher. A Thematic Biography, Springer: Cham 2019
V. Peckhaus, Mathematical Reviews, M70300 (2020).
LibreCat: /record/29140

Breger, Herbert, Kontinuum, Analysis, Informales – Beiträge zur Mathematik und Philosophie von Leibniz, hg. v. W. Li, Springer Spektrum: Heidelberg/Berlin 2016
V. Peckhaus, Mathematical Reviews, M17131 (2020).
LibreCat: /record/18995

Hanke, Miroslav, cThe Probabilistic Logic of Eusebius Amort (169231775)d, In: Early Science and Medicine 24 (2019), 1863211
V. Peckhaus, Mathematical Reviews, M67184 (2020).
LibreCat: /record/18996

Ramharter, Esther, "Der Status mathematischer und religiöser Sätze bei Wittgenstein", in: Mras, Gabriele M et al. (eds.), Philosophy of logic and mathematics. Proceedings of the 41. international Ludwig Wittgenstein Symposium, de Gruyter: Berlin 2019, 485-497
V. Peckhaus, ZbMATH Open, Zbl. 1448.01014 (2020).
LibreCat: /record/28703

Bolzano, Bernard, "Mathematische Schriften 1804–1810", hg. v. Steve Russ und Edgar Morscher, Frommann-Holzboog, Eckhart Holzboog: Stuttgart-Bad Cannstatt 2020 (Bernard Bolzano-Gesamtausgabe. Reihe I: Schriften. Bd. 1)
V. Peckhaus, zbMATH Open, Zbl. 1455.01038 (2020).
LibreCat: /record/28704

Jost, Jürgen, "Leibniz und die moderne Naturwissenschaft", Springer: Berlin 2019 (Wissenschaft und Philosophie)
V. Peckhaus, zbMATH Open, Zbl. 1435.01004 (2020).
LibreCat: /record/18739

Zersetzung. Automatismen und Strukturauflösung
N.O. Eke, P. Hohlweck, eds., Zersetzung. Automatismen und Strukturauflösung, Fink/Brill, Leiden, 2019.
LibreCat: /record/19055