Great Philosophers Volume Two: Science and Philosophy, The Preservation of Youth, and Understanding History

The Selected Works of Baruch de Spinoza

Beyond Good & Evil: Prelude to a Philosophy of the Future

Ethics

The Republic

The Will to Doubt

The Sayings of Socrates

A Treasury of Albert Schweitzer

The Sayings of Aristotle

Understanding History: And Other Essays

The Genealogy of Morals

The Art of Philosophizing: And Other Essays

The Sayings of Nietzsche

Meditations

The Essential Bertrand Russell Collection

The Archaeology of Knowledge

History of Western Philosophy

The Sayings of Charles Chaplin

The Problems of Philosophy

The Trial and Death of Socrates: Four Dialogues