Hutcheson, Alexander. “Notice of the Exploration of a Cairn of the Bronze Age at Greenhill, in the Parish of Balmerino, Fifeshire”. Proceedings of the Society of Antiquaries of Scotland 36 (November 30, 1902): 635–653. Accessed May 2, 2024. https://journals.socantscot.org/index.php/psas/article/view/6847.