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