1. Plato, , 472d-481b; , Books IX-X
2. Aristotle, , Books III, V; , Book I
3. Augustine, , Books XIX-XXI
4. Aquinas, , I-II, Q. 87, 92, 105; II-II, Q. 108
5. Hobbes, , Part II, Chapters 28, 30
6. Locke, , Chapters II, IX
7. Montesquieu, , Books VI, XII
8. Kant, , Part I, "The Science of Right"
9. Hegel, , Part I
10. Mill, , Chapter V;