Cratylus By: Unknown

Kybalion (version 2) By: The Three Initiates

Guide to Stoicism By: St. George William Joseph Stock

Ancient and Modern Celebrated Freethinkers By: Charles Bradlaugh

Series of Lessons in Raja Yoga By: William Walker Atkinson

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

Alcibiades I By: Plato (Πλάτων)

Philebus By: Unknown

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

Lesser Hippias By: Plato (Πλάτων)

Religion and Science from Galileo to Bergson By: John Charlton Hardwick

Elementary Theosophy By: L. W. Rogers

Ingersoll on ABRAHAM LINCOLN, from the Works of Robert G. Ingersoll, Volume 3, Lecture 3 By: Robert G. Ingersoll

Human Sacrifice By: John Emerich Edward Dalberg-Acton

Thoughts are Things (Version 2) By: Prentice Mulford

Thoughts Are Things By: Prentice Mulford

Our Knowledge of the External World: As a Field for Scientific Method in Philosophy By: Bertrand Russell

Final Report of the Advisory Committee on Human Radiation Experiments By: Advisory Committee on Human Radiation Experiments

Physics By: Aristotle

Theological Essays By: Charles Bradlaugh

World’s Story Volume II: India, Persia, Mesopotamia and Palestine By: Eva March Tappan

Exotics and Retrospectives By: Lafcadio Hearn

Shri Dnyaneshwar - A Sketch Of His Life And Teachings By: Anonymous

World’s Story Volume IV: Greece and Rome By: Eva March Tappan

Astral Plane: Its Scenery, Inhabitants and Phenomena By: C. W. Leadbeater

Early Greek Philosophy and Other Essays By: Friedrich Nietzsche

World as Will and Idea, Vol. 2 of 3 By: Arthur Schopenhauer

Complete Works of Friedrich Nietzsche: Volume 3 By: Friedrich Nietzsche

Vairagya Shatakam By: Bhartṛhari

Quintessence of Ibsenism By: George Bernard Shaw

Mysticism and Logic and Other Essays By: Bertrand Russell

Your Psychic Powers and How to Develop Them By: Hereward Carrington

Madman: His Parables And Poems and The Forerunner: His Parables And Poems By: Kahlil Gibran

Letters of a Post-Impressionist By: Vincent Van Gogh

Sree Krishna, The Lord of Love By: Baba Premanand Bharati

Passages from the Life of a Philosopher By: Charles Babbage

Mental Fascination By: William Walker Atkinson

History of Philosophy By: William Turner

Dissertation Concerning the Nature of True Virtue By: Jonathan Edwards

Thomas Hobbes By: Alfred Edward Taylor

World as Will and Idea Volume 1 By: Arthur Schopenhauer

American Philosophy Collection Vol. 1 By: Various

Book of Life By: Upton Sinclair

Journal of John Woolman By: John Woolman

Friendship By: Hugh Black

Character Building By: Booker T. Washington

Dhammapada (Version 3) By: Unknown

World’s Story Volume III: Egypt, Africa and Arabia By: Eva March Tappan

Posthumous Essays of John Churton Collins By: John Churton Collins

Life of Henry David Thoreau By: Henry Salt

Phenomenology of Mind, Volume 2 By: Georg Wilhelm Friedrich Hegel

Tusculan Disputations By: Marcus Tullius Cicero

Birth of Tragedy By: Friedrich Nietzsche

Introduction to Mathematical Philosophy By: Bertrand Russell

Theologico-Political Treatise By: Benedict de Spinoza

Democracy and Education: An Introduction to the Philosophy of Education By: John Dewey

Philosophy of Logical Atomism By: Bertrand Russell

Cosmos: A Sketch of a Physical Description of The Universe: Introduction By: Alexander von Humboldt

Marriage of Heaven and Hell By: William Blake

Woman and the War By: Frances Evelyn (Daisy) Greville