Hutcheson, A. 1897. Notices (1) of an Ancient Canoe found in the river Tay, near Errol; (2) a Grinding-stone found on the Sidlaw Hills; (3) a Beggar’s Badge of Sixteenth Century found in Dundee; and (4) a Spear-head of Flint found in the carcass of a Whale – Being recent add. Proceedings of the Society of Antiquaries of Scotland. 31, (Nov. 1897), 265–281. DOI:https://doi.org/10.9750/PSAS.031.265.281.