1. Plato, Books VIII–IX
2. Aristotle, Book V
3. Aquinas, II-II, Q. 42;
4. Machiavelli, Book I, Ch. 2–6; Ch. 6
5. Hobbes, Part II, Ch. 17–18, 29
6. Locke, Ch. 18–19
7. Montesquieu, , Books XI, XIX
8. Rousseau, Book III, Ch. 10–18
9. Hamilton, Madison, Jay, Nos. 10, 28, 43, 51
10. Marx, ; Vol. I, Part VIII