Fairbairn, Archibald. 1924. “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), 333-43. http://journals.socantscot.org/index.php/psas/article/view/7608.