de Vogel, C. J. Greek philosophy: A collection of texts selected and supplied with some notes and explanations (3rd ed.). E.J. Brill.

de Vogel, C. J. Greek Philosophy: A Collection of Texts Selected and Supplied with Some Notes and Explanations. 3rd ed. Leiden: E.J. Brill.

de Vogel, C. J. Greek Philosophy: A Collection of Texts Selected and Supplied with Some Notes and Explanations. 3rd ed. E.J. Brill.