1. From the origins to Socrates / edited and translated from the fourth Italian edition [by] John R. Catan -- 2. Plato and Aristotle / edited and translated from the fifth Italian edition by John R. Catan -- 3. The systems of the Hellenistic Age / edited and translated from the third Italian edition [by] John R. Catan -- 4. The schools of the Imperial Age / edited and translated from the fifth Italian edition [by] John R. Catan.
