Metaphysics

Mind and Motion and Monism

Early Greek philosophy

On the Nature of Things

Early Twentieth-Century Continental Philosophy

The Philosophy of Natural Theology

The Neptunian, or Water Theory of Creation

The Distinction between Mind and Its Objects

Philosophy in the Last Forty Years

The Meaning of the War: Life & Matter in Conflict

Bolax, Imp or Angel—Which

Sophist

Monism as Connecting Religion and Science

Freedom, Truth and Beauty

Wisdom and Destiny

The Philosophy of Spiritual Activity

Schopenhauer

The course of creation

Man or Matter

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

Life's Basis and Life's Ideal: The Fundamentals of a New Philosophy of Life