The Game of Logic By: Lewis Carroll

The Greatest Thing in the World and Other Addresses By: Henry Drummond

Enquiry Concerning the Principles of Morals By: David Hume

Plain Facts for Old and Young By: John Harvey Kellogg

Quiet Talks about Jesus By: Samuel D. Gordon

Machiavelli, Volume I By: Niccolò Machiavelli

Born Again By: Alfred Lawson

John Stuart Mill; His Life and Works By: Various

Apology, Crito, and Phaedo of Socrates By: Unknown

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)

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

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

How To Behave: A Pocket Manual Of Republican Etiquette By: Samuel R. (Samuel Roberts) Wells

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

First and Last Things By: H. G. Wells

Young Woman's Guide to Excellence By: William A Alcott

Alcibiades I By: Plato (Πλάτων)

The Academic Questions, Treatise De Finibus, and Tusculan Disputations, of M.T. Cicero, With a Sketch of the Greek Philosophers Mentioned by Cicero By: Marcus Tullius Cicero

Thoughts of Marcus Aurelius By: Emperor of Rome Marcus Aurelius

Philebus By: Unknown

Ancient Art and Ritual By: Jane Ellen Harrison

Baron D'Holbach : a Study of Eighteenth Century Radicalism in France By: Max Pearson Cushing

Women As Sex Vendors or, Why Women Are Conservative (Being a View of the Economic Status of Woman) By: R. B. (Roscoe Burdette) Tobias

Love—Marriage—Birth Control Being a Speech delivered at the Church Congress at Birmingham, October, 1921 By: Bertrand Edward Dawson Dawson

Human Nature and Other Sermons By: Joseph Butler

Philosophy and Religion Six Lectures Delivered at Cambridge By: Hastings Rashdall

The English Utilitarians By: Leslie Stephen

Theologico-Political Treatise — Part 4 By: Benedictus de Spinoza

The Philosophy of the Moral Feelings By: John Abercrombie

On Being Human By: Woodrow Wilson

Conversation What to Say and How to Say it By: Mary Greer Conklin

Theologico-Political Treatise — Part 2 By: Benedictus de Spinoza

Social Life or, The Manners and Customs of Polite Society By: Maud C. Cooke

Winds of Doctrine: Studies in Contemporary Opinion By: George Santayana

An Essay on the Beautiful From the Greek of Plotinus By: Unknown

What Social Classes Owe to Each Other By: William Graham Sumner

Ethics — Part 3 By: Benedictus de Spinoza

Theologico-Political Treatise — Part 3 By: Benedictus de Spinoza

Almost A Man By: Mary Wood-Allen

Plato and Platonism By: Walter Pater

Valerius Terminus; of the interpretation of nature By: Francis Bacon