■ A New Law of Thought and its Logical Bearings, Cambridge, Cambridge University Press, 1911.
■ « The Import of the Categorical Propositions », in Proceedings of the Aristotelian Society, déc. 1893 ; « The Relation of Language to Thought », in Proceedings of the Aristotelian Society, mars 1894 ; « The Import of Propositions » in Proceedings of the Aristotelian Society, juil. 1915.
