The Laws of Etiquette By: Unknown

Theologico-Political Treatise — Part 1 By: Benedictus de Spinoza

Thoughts out of Season Part I By: Friedrich Wilhelm Nietzsche

Searchlights on Health: Light on Dark Corners A Complete Sexual Science and a Guide to Purity and Physical Manhood, Advice To Maiden, Wife, And Mother, Love, Courtship, And Marriage By: B. G. (Benjamin Grant) Jefferis

The Essays of Arthur Schopenhauer; Counsels and Maxims By: Arthur Schopenhauer

The Sense of Beauty Being the Outlines of Aesthetic Theory By: George Santayana

The Theological Tractates and The Consolation of Philosophy By: Anicius Manlius Severinus Boethius

Auguste Comte and Positivism By: John Stuart Mill

System of Economical Contradictions; or, the Philosophy of Misery By: Pierre-Joseph Proudhon

Critias By: Plato (Πλάτων)

The Approach to Philosophy By: Ralph Barton Perry

Cratylus By: Unknown

Kybalion (version 2) By: The Three Initiates

Five Lectures on Reincarnation By: Swami Abhedananda

A Philosophical Dictionary, Volume 1 By: Unknown

Evolution and Ethics By: Thomas Henry Huxley

The Young Man's Guide By: William A. Alcott

Diderot and the Encyclopædists (Vol 1 of 2) By: John Morley

A Message to Garcia Being a Preachment By: Elbert Hubbard

Ethics — Part 1 By: Benedictus de Spinoza

The Essays of Arthur Schopenhauer; the Art of Controversy By: Arthur Schopenhauer

Guide to Stoicism By: St. George William Joseph Stock

Meaning of Truth By: William James

The Philosophy of Despair By: David Starr Jordan

A Discourse of a Method for the Well Guiding of Reason and the Discovery of Truth in the Sciences By: René Descartes

Ancient and Modern Celebrated Freethinkers By: Charles Bradlaugh

The Ruins, or, Meditation on the Revolutions of Empires and the Law of Nature By: Constantin-F. Volney

The Mathematicall Praeface to Elements of Geometrie of Euclid of Megara By: John Dee

Memories and Studies By: William James

The Essays of Arthur Schopenhauer; The Art of Literature By: Arthur Schopenhauer

Series of Lessons in Raja Yoga By: William Walker Atkinson

Our Deportment Or the Manners, Conduct and Dress of the Most Refined Society By: John H. Young