Metaphysics

Bolax, Imp or Angel—Which

The course of creation

The Creator, and what we may know of the method of creation

The Development of Metaphysics in Persia. A Contribution to the History of Muslim Philosophy

Spiritual Anarchist

London Lectures of 1907

Ethics

The Improvement of Human Reason

Early Twentieth-Century Continental Philosophy

The Neptunian, or Water Theory of Creation

Pantheism, Its Story and Significance

Chance, Love, and Logic

Fundamental Philosophy

The Signature of All Things

Monism as Connecting Religion and Science

Phaedo

Time and Free Will

Life and Matter: A Criticism of Professor Haeckel's “Riddle of the Universe”

Hints towards the formation of a more comprehensive theory of life

The Philosophy of Natural Theology