Metaphysics

Metaphysical Horizons Unveiled

Life: Its True Genesis

Blue Guardians of Sadalsuud

Lectures on the Proofs of the Existence of God

A Hundred Poes

The Metaphysical Elements of Ethics

The Three Critiques

The Philosophy of Evolution

Evolution of Life and Form

A Candid Examination of Theism

Thoughts on Life and Religion

Gospel Philosophy

Mind and Motion and Monism

The Happiness of Heaven

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

Hegel: Lectures on Philosophy

Ethics

Sun-Clear Statement

A Pluralistic Universe

Categories (Κατηγορίαι)