v. 1. Greece and Rome.--v.2. Mediaeval philosophy: Augustine to Scotus.--v.3. Ockham to Suárez.--v.4. Descartes to Leibniz.--v.5. Hobbes to Hume.--v.6. Wolff to Kant.--v.7. Fichte to Nietzsche.--v.8. Bentham to Russell.--v.9. Maine de Biran to Sartre.
