1. Plato, , Book VI; , Book V
2. Aristotle, , Book I, Chapters 3–7
3. Augustine, , Book XIX, Chapters 15–16
4. Aquinas, , II-II, Q. 57, Art. 3–4; Supplement, Q. 52
5. Hobbes, , Part I, Chapter 20; Part II, Chapter 20
6. Locke, , Chapters IV, XVI
7. Montesquieu, , Book XV
8. Rousseau, , Book I, Chapters 2–4
9. Hegel, , "Lordship and Bondage"
10. Mill, , Chapter I; , Chapters II–IV