Fairbairn, Archibald. “Account of the Discovery of a Cinerary Urn With Other Relics, Near Marchhouse, Muirkirk, and the Excavation of an Earth-House at Yardhouses, Carnwath”. Proceedings of the Society of Antiquaries of Scotland 58 (November 30, 1924): 333-343. Accessed November 14, 2019. http://journals.socantscot.org/index.php/psas/article/view/7608.