Epistemology

James Frederick Ferrier

Creation or Evolution? A Philosophical Inquiry

The Jumble Book: A Jumble of Good Things

Manhood of Humanity

The Opinions of a Philosopher

The Meaning of Truth

The Observations of Professor Maturin

Sophist

The Philosophy and Theology of Averroes

Our Intellectual Strength and Weakness

Leibniz's New Essays Concerning the Human Understanding: A Critical Exposition

From Rome to Rationalismor: Why I Left the Church

Essays in Radical Empiricism

Some Turns of Thought in Modern Philosophy

Aphorisms and Reflections from the Works of T. H. Huxley

On the Improvement of the Understanding

Kant & Phenomenology

On the Nature of Thought

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

The Philosophy of Evolution