Pitcairn, Robert. 1832. “Communication Relative to a Remarkable Number of Horse-Shoes Found on the Farm of West Nisbet, in the County of Berwick; Supposed to Be Indicative of the Site of the Battle of Nisbet Muir, A.D. 1355”. Archaeologia Scotica 3 (November), 229-30. http://soas.is.ed.ac.uk/index.php/arch-scot/article/view/224.