Metaphysics

Hints towards the formation of a more comprehensive theory of life

The Philosophy of Natural Theology

An Enquiry Concerning Human Understanding

The Philosophy of the Conditioned

Chance, Love, and Logic

Fundamental Philosophy

The Meaning of the War: Life & Matter in Conflict

The Signature of All Things

Absurdities of Immaterialism Or, A Reply to T. W. P. Taylder's Pamphlet, Entitled, “The Materialism of the Mormons or Latter-Day Saints, Examined and Exposed.”

The Philosophy of Evolution

Monism as Connecting Religion and Science

Man or Matter

Phaedo

What Is Reality

You Can't Buy Eternity

Creation or Evolution? A Philosophical Inquiry