Of the Shortness of Life By: Lucius Annaeus Seneca

Proposed Roads to Freedom By: Bertrand Russell

The Life of Jesus Critically Examined By: David Friedrich Strauss

Essays, Book 1 By: Michel Eyquem de Montaigne

Book of the Foundations By: St. Teresa of Avila

Ecce Homo By: Friedrich Nietzsche

The Rosicrucian Mysteries By: Max Heindel

Oscar Wilde: Art and Morality. A Defence of The Picture of Dorian Gray By: Unknown

The Coming People By: Charles F. Dole

Apology By: Plato

Principia Ethica By: George Edward Moore

Union and Communion - or Thoughts on the Song of Solomon By: J Hudson Taylor

The Life of Apollonius of Tyana By: Flavius Philostratus

Pep: Poise, Efficiency, Peace By: William C. Hunter

The Faith of Our Fathers By: James Cardinal Gibbons

The Life of Reason volume 1 By: George Santayana

Amoretti: A sonnet sequence By: Edmund Spenser

Ten Days in the Light of Acca By: Julia M. Grundy

Meno By: Plato

The Ego and His Own By: Max Stirner

Commentary on Galatians By: St. John Chrysostom

Omega: The Last Days of the World By: Camille Flammarion

Essay Concerning Humane Understanding By: John Locke

The Brilliant Proof (Burhäne Lämé) in reply to an attack upon the Bahai Revelation by Peter Z. Easton By: Mírzá Abu’l-Fadl Gulpáygání

Laws By: Plato

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

Enquiry Concerning the Principles of Morals By: David Hume

Quiet Talks about Jesus By: Samuel D. Gordon

Born Again By: Alfred Lawson

John Stuart Mill; His Life and Works By: Various

Considerations on Representative Government By: John Stuart Mill

Republic (version 2) By: Plato (Πλάτων)

Selected Public Domain Poems By: John Masefield

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

Gorgias By: Plato (Πλάτων)

Hidden Treasures By: Harry A. Lewis

Analects of Confucius By: Confucius 孔子

Protagoras By: Plato (Πλάτων)

Auguste Comte and Positivism By: John Stuart Mill

Critias By: Plato (Πλάτων)

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

Dhammapada (Version 3) By: Unknown

Friendship By: Hugh Black

Character Building By: Booker T. Washington

Posthumous Essays of John Churton Collins By: John Churton Collins

Life of Henry David Thoreau By: Henry Salt

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

Tusculan Disputations By: Marcus Tullius Cicero

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

Birth of Tragedy By: Friedrich Nietzsche

Introduction to Mathematical Philosophy By: Bertrand Russell

Theologico-Political Treatise By: Benedict de Spinoza

Philosophy of Logical Atomism By: Bertrand Russell

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

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

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

Marriage of Heaven and Hell By: William Blake

Philosophy of the Plan of Salvation By: James Barr Walker

Letters to a Daughter and A Little Sermon to School Girls By: Helen Ekin Starrett

Pagan & Christian Creeds: Their Origin and Meaning By: Edward Carpenter

World’s Story Volume I: China, Japan and the Islands of the Pacific By: Eva March Tappan

Some Problems of Philosophy By: William James

Essay Concerning Human Understanding Book II By: John Locke

Sikh Religion: its Gurus, Sacred Writings and Authors, Volume 6 By: Max Arthur Macauliffe

My Confession By: Leo Tolstoy

English Secularism By: George J. Holyoake

Quatrains of Omar Khayyam of Nishapur By: Omar Khayyám

Defence of Idealism By: May Sinclair

Essays in Experimental Logic By: John Dewey

Riddle of the Universe By: Ernst Haeckel

Modern Magic By: Maximilian Schele De Vere

General View of Positivism By: Auguste Comte

Age of Reason (version 2) By: Thomas Paine

Magna Moralia By: Aristotle

Human Nature And Conduct - Part 1, The Place of Habit in Conduct By: John Dewey

Privilege of Pain By: Caroline Kane Mills Everett

World As Will and Idea, Vol. 1 of 3 By: Arthur Schopenhauer

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

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

Thoughts Are Things By: Prentice Mulford

Theological Essays By: Charles Bradlaugh

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

Physics By: Aristotle

Exotics and Retrospectives By: Lafcadio Hearn

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

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

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