Callander, J. “Notice of a Stone Mould for Casting Flat Bronze Axes and Bars Found in the Parish of Insch, Aberdeenshire; With Notes on the Occurrence of Flat Axe Moulds in Europe”. Proceedings of the Society of Antiquaries of Scotland 38 (November 30, 1904): 487-505. Accessed March 28, 2024. http://soas.is.ed.ac.uk/index.php/psas/article/view/6989.