*Sonnets and Other Poems. 1894.
The Sense of Beauty. 1896.
Lucifer--A Theological Tragedy. 1899.
Interpretations of Poetry and Religion. 1900.
The Hermit of Carmel, and Other Poems. 1901.
The Life of Reason. 1905.
Three Philosophical Poets. 1910.
Winds of Doctrine. 1913.
Philosophical Opinion in America. 1918.
Character and Opinion in the United States. 1920.
*Little Essays. 1920. (Selected with author's collaboration, by Logan
Pearsall Smith, q.v.)