Preface1. The Classical Greek Philosophies 2. Hellenistic Philosophy 3. Medieval Thought 4. The 17th Century – An Introduction 5. The Rationalists 6. The Empiricists 7. Kant, Hegel and Idealism 8. Nineteenth-Century Sensationalism 9. The Reaction 10. The 20th Century—Sense-data and Phenomenology 11. Conclusion – Sensation and Perception Bibliography Index