Preface, Introduction, BOOK ONE - Ancient Philosophy, PART I: The Pre-Socratics, PART II: Socrates, Plato, and Aristotle, PART III: Ancient Philosophy after Aristotle, BOOK TWO - Catholic Philosophy, Introduction, PART I: The Fathers, PART II: The Schoolmen, BOOK THREE - Modern Philosophy, PART I: From the Renaissance to Hume, Part II: From Rousseau to the Present Day, Index