Leiden, Brill 1971 xxx + 541pp., "Photomechanischer Nachrdruck" (of the 1966-edition), 25cm., publisher's hardcvoer in orange cloth with gilt lettering, in the series "Studien zur Problemgeschichte der antiken und mittelalterlichen Philosophie" volume 1, text in German, good condition, weight: 1.2kg., F116974