Curle, A. O. (1914) “Notices of the discovery of a Hoard of Rapier-shaped Blades of Bronze at Drumcoltran, in the Stewartry of Kirkcudbright, and of a Viking Sword at Torbeckhill, near Ecclefechan”, Proceedings of the Society of Antiquaries of Scotland, 48, pp. 333–335. doi: 10.9750/PSAS.048.333.335.