Hutcheson, Alexander. 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 (November):265-81. https://doi.org/10.9750/PSAS.031.265.281.