A reissue of the work originally published in six numbers between 1745 and 1750 with a cancel titlepage and a final leaf of errata and advertisements., Reproduction of original from the British Library., and Available online to authorized PSU users as part of the Medicine, science, and technology series of Eighteenth century collections online.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. Available via the World Wide Web. Access limited by licensing agreements