The Bactra Review   Against Relativism
``On the Notion of Cause,'' reprinted in Mysticism and Logic and Other Essays (London: Longmans, 1918, repr. New York: Barnes and Noble, 1981).
Human Knowledge: Its Scope and Limits (London: Unwin, 1948, repr. London: Routledge, 1992).
The Analysis of Matter (London: K. Paul, Trench, Trubner and Co., 1927; repr. New York: Dover, 1954).