Essays

Fashionable Philosophy, and Other Sketches

Great Men, Great Thoughts, and The Environment

The great inquiry

Miscellaneous Aphorisms; The Soul of Man

Emerson and Other Essays

Three Philosophical Poets: Lucretius, Dante, and Goethe

Essays and Dialogues

The Book of Masks

Heretics

We Moderns: Enigmas and Guesses

The Apologia and Florida of Apuleius of Madaura

The Note-Books of Samuel Butler

The Nature of Goodness

Faces in the Fire, and Other Fancies

The Influence of Darwin on Philosophy, and other essays in contemporary thought

Zones of the Spirit: A Book of Thoughts

Eternal Life

Philosophical Letters of Friedrich Schiller

Forward

The philosophy of Elbert Hubbard