, 1990, Names in Kotarbiński's "Elementy", in J. Woleński (ed.), Kotarbiński, Dordrecht, Springer, pp. 31-37.
, 1979a, Names and predicables, in J. Pelc (ed.), Semiotics in Poland 1984–1969, Dordrecht, Springer, pp. 240-246.
, 1979b, 'Some Hobbesian theses about justice', Dialectics and Humanism 6 (4), 45-50.
, 1978, 'Intentionality of thought versus intentionality of desire', Grazer Philosophische Studien 5, 131-138.
Descartes, R. , 1954a, Philosophical writings, ed. Anscombe Elizabeth; Geach Peter, Nelson & Sons, London.