4. An Introduction to Philosophy: Chapter Four, What is Philosophy Exactly? (Gary Osmundsen)

3. An Introduction to Philosophy: Chapter Three, When and Where did Philosophy Begin? (Peter Rasor)

6. An Introduction to Philosophy: Chapter Six, What is Logic, and What Are Arguments? (Rich Holland)

The History of Philosophy: Origins of Ancient Philosophy Around the Globe

A History of Philosophy | 01 The Beginning of Greek Philosophy

A History of Philosophy | 70 Husserl and Heidegger