Metaphysics

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

Time and Free Will

What's These Worlds Coming To

Nietzsche, the Thinker

Brahman and the World

Immanuel Kant

Bergson and his Philosophy

The Immanuel Kant Collection

Introduction to the Metaphysic of Morals

The Analogy of Religion, Natural and Revealed

Why do we die

The mistery of Tesla and the pyramids

The course of creation

An Essay Towards a New Theory of Vision

Problems of Immanence: studies critical and constructive

An Original Theory or New Hypothesis of the Universe

World and Life as One

From Kant to Nietzsche

The Critique of Practical Reason

The Making of a Man