1. The Academy, Speusippus, Xenocrates, Crantor.
2. Theophrastus.
3. Economica; the pseudo-Aristotelian Economica.
4. Cyrenaics: Aristippus; Bion.
5. Epicureans.
6. Cynics: Antisthenes; Diogenes; Crates.
7. Pseudo-Platonic Eryxias.
8. Teles.
9. Stoics: Zeno; Aristo; Cleanthes; Chrysippus; Plutarch.
10. Communistic tendencies after Aristotle.