Earl of Buchan, -. “Part of a Letter from the Earl of Buchan to the Secretary, Giving an Account of a Tour by His Lordship through Aberdeenshire, in 1789”. Archaeologia Scotica 3 (November 30, 1832): 292-294. Accessed September 26, 2020. http://journals.socantscot.org/index.php/arch-scot/article/view/234.