http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 2. Plato and Aristotle. -- v. 3. The systems of the Hellenistic Age.
Giovanni Reale ; edited and translated from the third Italian edition, John R. Catan.
Translation of: Storia della filosofia antica.