Vorrede, p. iii-xliv, by Benjamin Franklin.
Advertised in: Der Wochentlichen Philadelphische Staatsbote, Aug. 27, 1764.
Electronic text and image data. [Chester, Vt. : Readex, a division of Newsbank, Inc., 2002-2004. Includes files in TIFF, GIF and PDF formats with inclusion of keyword searchable text. (Early American imprints. First series ; no. 9673).