Craw, James. “Two Long Cairns (One Horned) and an Ogham Inscription, Near Poltalloch, Argyll”. Proceedings of the Society of Antiquaries of Scotland 66 (November 30, 1932): 445-450. Accessed March 28, 2024. http://journals.socantscot.org/index.php/psas/article/view/7858.