Compiled by John Watson, 1729-1769; by Samuel Watson 1770-1799 and in the years 1795-1798 and 1800 onwards by John Watson Stewart. Reproduction of original from the British Library. Available online to authorized PSU users as part of the Social sciences and fine arts 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