, 1966, History and the absolute, in L. Rouner (ed.), Philosophy, religion, and the coming world civilization, Dordrecht, Springer, pp. 423-463.
, 1960, Intersubjektivität als ontologisches Problem, in R. Wisser (Hrsg.), Sinn und Sein, Tübingen, Niemeyer, pp. 451-464.
, 1959a, From the early days of the 'Logische Untersuchungen', in J. Taminiaux & H. L. Van Breda (eds.), Edmund Husserl, 1859-1959, Den Haag, Nijhoff, pp. 1-11.
, 1959b, From the early days of the Logische Untersuchungen, in Y. H. Krikonan & A. Edel (eds.), Contemporary philosophic problems, New York, MacMillan, pp. 1-11.
, 1954, 'Marcel and the ground issues of metaphysics', Philosophy and Phenomenological Research 14 (4), 439-469.
, 1940a, Outline - sketch of a system of metaphysics, in M. Farber (ed.), Philosophical essays in memory of Edmund Husserl, Cambridge, Harvard University Press, pp. 251-261.
, 1940b, Outline-sketch of a system of metaphysics, in M. Farber (ed.), Philosophical essays in memory of Edmund Husserl, Cambridge, Harvard University Press, pp. 251-261.
, 1908a, Review: Stumpf Carl, Zur Einteilung der Wissenschaften, The Journal of Philosophy, Psychology and Scientific Methods 5 (10), pp. 271-275.