Includes bibliographical references and indexes.
Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries.
Text of Theophrastus' On first principles in Greek with English translation on facing pages; followed by a version in medieval Arabic with English translation on facing pages; followed by a Latin version translated by Bartholomew of Messina. Introduction and commentary in English.