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.