Andrzej Półtawski
(2002). The problem of time in the philosophy of roman Ingarden. In H. Eilstein (ed.) A collection of Polish works on philosophical problems of time and spacetime (pp. 137-148). Dordrecht: Springer.
(1978). Ethical action and consciousness. In A. Tymieniecka (ed.) The human being in action (pp. 115-150). Dordrecht: Springer.
(1975). Ingarden's way to realism and his idea of man. Dialectics and Humanism, 2 (3), 65-76. https://doi.org/10.5840/dialecticshumanism19752325.
(1974). Consciousness and action in Ingarden's thought. In A. Tymieniecka (ed.) The phenomenological realism of the possible worlds (pp. 124-137). Dordrecht: Springer.