Acland, C L. “Notice of Some Peruvian Antiquities Obtained from a Burial-Mound at Arica. (With Photographs)”. Proceedings of the Society of Antiquaries of Scotland 9 (November 30, 1872): 234–238. Accessed November 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/5478.