1. Plato, Books VIII–IX;
2. Aristotle, Books III, V
3. Aquinas, ; II-II, Q. 42
4. Machiavelli, , Ch. 8, 15–19
5. Hobbes, Part II, Ch. 19
6. Locke, Ch. 18
7. Montesquieu, , Books II–III, XI
8. Rousseau, Book III, Ch. 10;
9. Hamilton, Madison, Jay, Nos. 47–51
10. Hegel, , §§257–270;