Religious

God's Marriage and Man's Divorce

The Subversive Simone Weil

The Age of Reason

The Quest of the Historical Jesus

London Lectures of 1907

Naturalism and Religion

Tragic Sense of Life

Philosophy of Contemporary Spirituality

Epistle to the Romans

Transcendentalism in New England

Pantheism, Its Story and Significance

Philosophy of the Plan of Salvation: A Book for the Times

De Tribus Impostoribus, A. D. 1230: The Three Impostors

The Corpus Hermeticum

The Critique of Pure Reason

Thoughts on Life and Religion

Bible Commentary – The Gospel of Luke

The Ball and the Cross

The Signature of All Things

The Philosophy of Natural Theology