Callander, J. “A Long Cairn Near Gourdon, Kincardineshire, and a Bronze Age Cairn Containing a Short Cist and an Urn, at Idvies, Forfarshire”. Proceedings of the Society of Antiquaries of Scotland 58 (November 30, 1924): 23-27. Accessed March 28, 2024. http://journals.socantscot.org/index.php/psas/article/view/7590.