Encouraged by the appreciation of Thomas Gray, to whom he showed his manuscript in June 1771, Gilpin approached Gray’s publisher William Mason, but it was only towards the end of 1782 that his Observations were published after his nephew Sawrey Gilpin had used a new procedure for converting his line and wash drawings into aquatint engravings. (See Malcolm Andrews, The Search for the Picturesque, 1989; Ch. 5). At this time Thomas Gray was famous as the author of “Elegy in a Country Churchyard”, but he had also played a role in the production of the picturesque as his Mr. Gray's Journal of his visit to the Lake District, in a letter to Dr. Wharton, October 18, 1769 had been published as Journal in …
Clark, Robert. "Observations on the River Wye, and Several Parts of South Wales, chiefly relative to Picturesque Beauty, made in the summer of the year 1770". The Literary Encyclopedia. First published 02 December 2007; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=21553, accessed 27 April 2015.]