1906. Outline of the recent Idealism. Contents: Dualism and the New Problem; Truth and Experience; Plan and Stages of the Argument; The Interpretation of Sense-Experience: and of Perceptual Experience; Understanding and the World of Noumena and Phenomena; Self-Conscious Experience; The Sphere of Reason-Scientific Experience; The Sphere of Finite Spirit-Moral Experience; and The Sphere of Absolute Spirit-Religious Experience-Contemplation.