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

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

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

Almost A Man By: Mary Wood-Allen