Dalrymple, Charles Elphinstone. “Notes of the Excavation of the Stone Circle at Crichie, Aberdeenshire”. Proceedings of the Society of Antiquaries of Scotland 18 (November 30, 1884): 319–325. Accessed May 5, 2024. https://journals.socantscot.org/index.php/psas/article/view/6112.