, 2003, 'Time, death, and history in Simmel and Heidegger', Human Studies 26 (2), 259-283.
, 1997, Georg Simmel, in L. Embree (ed.), Encyclopedia of phenomenology, Dordrecht-Boston-London, Kluwer, pp. 640-646.
, 1991, Phenomenology as the reawakening of the Platonic philosophical ethos, in A. Tymieniecka (ed.), Husserlian phenomenology in a new key, Dordrecht, Kluwer, pp. 67-78.
, 1988, 'Husserl's position between Dilthey and the Windelband school of NeoKantianism', Journal of the history of philosophy 36, 279-296.
, 1987a, "Nature" in the human-scientific perspective: a Husserlian response to Dilthey, in R. Makkreel & J. Scanlon (eds.), Dilthey and phenomenology, Washington DC, University Press of America, pp. 31-48.
, 1987b, Phenomenology and the autonomy of technology, in P. T. Durbin (ed.), Technology and responsibility, Dordrecht, Springer, pp. 85-98.
, 1982, "Geisteswissenschaften" and phenomenology: The way from the human sciences to transcendental phenomenology, Duquesne University, Pittsburgh.
, 1981-1982, 'Hermeneutics or phenomenology: reflections on Husserl's historical meditations as a "way" into transcendental phenomenology', Graduate Faculty Philosophy Journal 8, 98-132.
, 1981a, Phenomenology and the renewal of culture, in S. Skousgaard (ed.), Phenomenology and the understanding of human destiny, Washington DC, University Press of America, pp. 257-268.