with Woleński, J. (eds) , 1995, The Heritage of Kasimierz Ajdukiewicz, Rodopi, Amsterdam.
, 1990a, Kotarbiński's theory of genuine names, in J. Woleński (ed.), Kotarbiński, Dordrecht, Springer, pp. 107-118.
, 1990b, Kotarbiński's theory of pseudo-names, in J. Woleński (ed.), Kotarbiński, Dordrecht, Springer, pp. 119-135.