Erskine, -. “VII. Account of a Stone Coffin Found Near Dryburgh Abbey, Being an Extract of a Letter from Captain Erskine Addressed to Alexander Smellie, Esq.,”. Archaeologia Scotica 3 (November 30, 1832): 47-48. Accessed February 20, 2020. http://journals.socantscot.org/index.php/arch-scot/article/view/203.