, 1937, 'Problemat transcendentalnego idealizmu w sformułowaniu semantycznym', Przegląd Filozoficzny 40, 271-287.
, 1978, The scientific world-perspective and other essays: 1931-1963, ed. Giedymin Jerzy, Reidel, Boston-Dordrecht.
, 1979a, Intensional expressions, in J. Pelc (ed.), Semiotics in Poland 1984–1969, Dordrecht, Springer, pp. 96-125.
, 1979b, Proposition as the connotation of sentence, in J. Pelc (ed.), Semiotics in Poland 1984–1969, Dordrecht, Springer, pp. 81-95.
, 1984, 'On definitions', Dialectics and Humanism 11 (2-3), 235-256.
, 1990, Review-article: T. Kotarbiński's elements of the theory of knowledge, formal logic and methodology of the sciences, in J. Woleński (ed.), Kotarbiński, Dordrecht, Springer, pp. 7-21.
, 1995, 'The psychophysical nature of humans', Axiomathes 6 (1), 31-37.
, 2007a, 'La connexion syntaxique', Philosophia Scientiae 11 (2), 97-120.