Over 300 complete works by Immanuel Kant, Cicero, Plato, St. Thomas Aquinas, Machiavelli, Thomas More, John Locke and more. Intuitive search and navigation.

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Authors included in the library:

Aristotle
Thomas Aquinas
Augustine of Hippo
Marcus Aurelius
Francis Bacon
W. E. B. Du Bois
John Bunyan
Julius Caesar
Gilbert Keith Chesterton
Marcus Tullius Cicero
Confucius
Benjamin Franklin
Sigmund Freud
Thomas Hobbes
Elbert Hubbard
David Hume
Immanuel Kant
Thomas a Kempis
John Locke
Niccolò Machiavelli
Moses Maimonides
Karl Marx and Friedrich Engels
Michel de Montaigne
Thomas More
Friedrich Wilhelm Nietzsche
Thomas Paine
Plato
Jean-Jacques Rousseau
Adam Smith
Benedict de Spinoza
Sun Tzu: The Art of War and other Laws of Power
Henry D. Thoreau
Leo Tolstoy
Voltaire

Below is a partial list of works included in the library. Download the trial version to see a complete list:

Aristotle

The Poetics
The Ethics
Politics
Categories
Posterior Analytics
Metaphysics
...

Thomas Aquinas

Augustine of Hippo

On Christian Doctrine
The Confessions of Saint Augustine
The City of God

Marcus Aurelius

Francis Bacon

The Advancement of Learning
The Wisdom of the Ancients
Novum Organum / The New Organon
The New Atlantis
...

W. E. B. Du Bois

The Conservation of Races
Darkwater: Voices from Within the Veil
The Negro
The Quest of the Silver Fleece
...

John Bunyan

Of Antichrist, and His Ruin
Christ a Complete Saviour
The Holy War
The Jerusalem Sinner Saved
The Life and Death of Mr. Badman
The Pilgrim's Progress
...

Julius Caesar

The African War
The Alexandrian War
The Civil War
...

Gilbert Keith Chesterton

Heretics
Orthodoxy

Marcus Tullius Cicero

Ethical Writings:
On Moral Duties
On Old Age
On Friendship
On The Nature Of The Gods

Political Works:
Treatise on the Commonwealth
Treatise on the Laws

Philosophical works:
Academica
Brutus, or The History of Eloquence
Tusculan Disputations
Treatise On Rhetorical Invention

...

Confucius

The Analects of Confucius

Benjamin Franklin

Autobiography of Benjamin Franklin.
The Way to Wealth

Sigmund Freud

Dream Psychology
Three Contributions to the Theory of Sex
A Young Girl's Diary

Thomas Hobbes

Leviathan

Elbert Hubbard

Love, Life & Work
A Message to Garcia
...

David Hume

A Treatise of Human Nature
An Enquiry Concerning Human Understanding
An Enquiry Concerning the Principles of Morals
The Natural History of Religion
Dialogues Concerning Natural Religion

Immanuel Kant

The Metaphysical Elements of Ethics
Critique of Pure Reason
What Is Enlightenment?
Groundwork of the Metaphysics of Morals
Critique of Practical Reason
Critique of Judgement
Perpetual Peace
The Philosophy of Law
...

Thomas a Kempis

The Imitation of Christ

John Locke

A Letter Concerning Toleration
Two Treatises of Government
An Essay Concerning Human Understanding
Some Thoughts Concerning Education
Of the Conduct of the Understanding

Niccolò Machiavelli

The Prince
The Art of War
Discourses on Livy or Discourses on the First Decade of Titus Livius
...

Moses Maimonides

The Guide for the Perplexed

Karl Marx and Friedrich Engels

The Communist Manifesto (Marx and Engels)
Das Kapital (Marx)
Critique of the Gotha Programme (Marx)
Eighteenth Brumaire of Louis Bonaparte (Marx)
The Condition of the Working-Class in England in 1844 (Engels)
Speech at the Grave of Karl Marx (Engels)
...

Michel de Montaigne

Thomas More

UTOPIA

Friedrich Wilhelm Nietzsche

Homer and Classical Philology
On Truth and Lies in a Nonmoral Sense
We Philologists
Human All-Too-Human, A Book For Free Spirits
Thus Spake Zarathustra
Beyond Good and Evil, Prelude to a Philosophy of the Future
The Antichrist: Curse on Christianity
Twilight of the Idols, or How to Philosophize with a Hammer
...

Thomas Paine

Common Sense
The American Crisis
The Rights of Man
The Age of Reason
...

Plato

Early dialogues:
Apology
Crito
Charmides
Laches, or; Courage
...

Middle dialogues:
Euthydemus
Cratylus
Phaedo
Phaedrus
...

Late dialogues:
Sophist
Statesman
...

Jean-Jacques Rousseau

The Confessions of Jean Jacques Rousseau
Considerations on the Government of Poland
Constitutional Project for Corsica
Discourse on Political Economy
Emile, or On Education
Narcissus, or The Self-Admirer: A Comedy
The Social Contract
...

Adam Smith

The Theory of Moral Sentiments
The Wealth of Nations

Benedict de Spinoza

On the Improvement of the Understanding
A Theologico-Political Treatise
The Ethics

Sun Tzu: The Art of War and other Laws of Power

Henry D. Thoreau

Excursions:
Natural History of Massachusetts
A Walk to Wachusett
The Landlord
A Winter Walk
The Succession of Forest Trees
Walking
Autumnal Tints
Wild Apples
Night and Moonlight

Leo Tolstoy

The Kingdom of God Is Within You

Voltaire

Candide or, Optimism
Zadig or, The Book of Fate
The Fourth Book of Virgil's Aeneid and the Ninth Book of Voltaire's Henriad
Letters on England
Philosophical Dictionary Dictionnaire philosophique
...