Cardinalities of Models for Pure Calculi of Names. - Andrzej Pietruszczak (Reports Math. Log., 1994)

Cardinalities of Models and the Expressive Power of Monadic Predicate Logic (with Equality and Individual Constants). - Andrzej Pietruszczak (Reports Math. Log., 1996)

Pieri's Structures. - Rafal Gruszczynski; Andrzej Pietruszczak (Fundam. Informaticae, 2007)

Full Development of Tarski's Geometry of Solids. - Rafal Gruszczynski; Andrzej Pietruszczak (Bull. Symb. Log., 2008)

The Tense Logic for Master Argument in Prior's Reconstruction. - Tomasz Jarmuzek; Andrzej Pietruszczak (Stud Logica, 2009)

A Method of Generating Modal Logics Defining Jaśkowski's Discussive Logic D2. - Marek Nasieniewski; Andrzej Pietruszczak (Stud Logica, 2011)

On Modal Logics Defining Jaśkowski's D2-Consequence. - Marek Nasieniewski; Andrzej Pietruszczak (Paraconsistency: Logic and Applications, 2013)

A General Concept of Being a Part of a Whole. - Andrzej Pietruszczak (Notre Dame J. Formal Log., 2014)

A Study in Grzegorczyk Point-Free Topology Part I: Separation and Grzegorczyk Structures. - Rafal Gruszczynski; Andrzej Pietruszczak (Stud Logica, 2018)

Pure Modal Logic of Names and Tableau Systems. - Andrzej Pietruszczak; Tomasz Jarmuzek (Stud Logica, 2018)

A modal extension of Jaśkowski's discussive logic |$ textbf{D}_ textbf{2}$|. - Krystyna Mruczek-Nasieniewska; Marek Nasieniewski; Andrzej Pietruszczak (Log. J. IGPL, 2019)

A Study in Grzegorczyk Point-Free Topology Part II: Spaces of Points. - Rafal Gruszczynski; Andrzej Pietruszczak (Stud Logica, 2019)

Simplified Kripke-Style Semantics for Some Normal Modal Logics. - Andrzej Pietruszczak; Mateusz Klonowski; Yaroslav I. Petrukhin (Stud Logica, 2020)

Grzegorczyk Points and filters in Boolean contact Algebras. - Rafal Gruszczynski; Andrzej Pietruszczak (Rev. Symb. Log., 2023)

Modal Discussive Logics. - Krystyna Mruczek-Nasieniewska; Marek Nasieniewski; Andrzej Pietruszczak (J. Philos. Log., 2025)

From Jaśkowski's Discussive Logic to Contemporary Paraconsistent Systems. - Marek Nasieniewski; Andrzej Pietruszczak (Stud Logica, 2025)