Voltaire's Philosophical Dictionary By: Unknown

Considerations on Representative Government By: John Stuart Mill

The Advancement of Learning By: Francis Bacon

Republic (version 2) By: Plato (Πλάτων)

Selected Public Domain Poems By: John Masefield

Case of Wagner / Nietzsche Contra Wagner / Selected Aphorisms By: Friedrich Nietzsche

Laughter : an Essay on the Meaning of the Comic By: Henri Bergson

Gorgias By: Plato (Πλάτων)

The Categories By: Unknown

Logic Deductive and Inductive By: Carveth Read

The Essays of Arthur Schopenhauer: the Wisdom of Life By: Arthur Schopenhauer

Hidden Treasures By: Harry A. Lewis

The Will to Believe : and Other Essays in Popular Philosophy By: William James

An Introduction to Philosophy By: George Stuart Fullerton

The Ladies Book of Useful Information Compiled from many sources By: Anonymous

Academica By: Marcus Tullius Cicero

The Metaphysical Elements of Ethics By: Immanuel Kant

The Essays of Arthur Schopenhauer; On Human Nature By: Arthur Schopenhauer

Early English Meals and Manners By: Frederick James Furnivall

What a Young Woman Ought to Know By: Mary Wood-Allen

The Improvement of Human Reason Exhibited in the Life of Hai Ebn Yokdhan By: Muhammad ibn 'Abd al-Malik Ibn Tufayl

Homer and Classical Philology By: Friedrich Wilhelm Nietzsche

Improvement of the Understanding By: Benedictus de Spinoza

The Essays of Arthur Schopenhauer; Religion, a Dialogue, Etc. By: Arthur Schopenhauer

Deductive Logic By: St. George William Joseph Stock

We Philologists Complete Works of Friedrich Nietzsche, Volume 8 By: Friedrich Wilhelm Nietzsche

The Biology, Physiology and Sociology of Reproduction Also Sexual Hygiene with Special Reference to the Male By: Winfield Scott Hall

Plutarch's Morals By: Unknown

Sextus Empiricus and Greek Scepticism By: Mary Mills Patrick

The Book of Good Manners; a Guide to Polite Usage for All Social Functions By: Walter Cox Green

Analects of Confucius By: Confucius 孔子

Protagoras By: Plato (Πλάτων)

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

Ancient and Modern Celebrated Freethinkers By: Charles Bradlaugh

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

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