Callander, J. “Notices of (1) Two Stone Cists Each Containing Two Drinking Urns from Oyne and Skene (2) A Late-Celtic Harness Mounting of Bronze from Culsalmond (3) A Stone Mould for Casting Flat Axes from Auchterless and (4) Two Star-Shaped Beads of Porcellaneous Paste”. Proceedings of the Society of Antiquaries of Scotland, Vol. 40, Nov. 1906, pp. 23-39, doi:10.9750/PSAS.040.23.39.