Yule, Henry, Alexander Thomson, and Meadows Taylor. “On Various Monuments in India, Corresponding to the Cromlechs and Standing Stones of the North of Europe”. Proceedings of the Society of Antiquaries of Scotland 1 (November 30, 1852): 91–95. Accessed May 2, 2024. https://journals.socantscot.org/index.php/psas/article/view/3926.