- A Hermit of Carmel, and Other Poems
- Character and Opinion in the United States: With Reminiscences of William James and Josiah Royce and Academic Life in America
- Egotism in German Philosophy
- Interpretations of Poetry and Religion
- Poems
- Soliloquies in England, and Later Soliloquies
- Some Turns of Thought in Modern Philosophy: Five Essays
- The Life of Reason: The Phases of Human Progress
- The Sense of Beauty: Being the Outlines of Aesthetic Theory
- Three Philosophical Poets: Lucretius, Dante, and Goethe
- Winds Of Doctrine: Studies in Contemporary Opinion