Epistemology

Kant & Phenomenology

Phaedrus

Civilization

Feeding the Mind

The Basis of Morality

The Study of Philosophy: An Outline

Mind Games

Avenarius and the Standpoint of Pure Experience

Ingersollia

Thomas Troward: Ultimate Collection

The Advancement of Learning

Rules for the Direction of the Mind

Meditations on First Philosophy

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

Phaedo

Luck, or Cunning, as the Main Means of Organic Modification

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

Modern Rationalism

The World Turned Upside Down