J. Anderson, “Account of the Excavation of the Camps and Earthworks at Birrenswark Hill in Annandale, undertaken by the Society in 1898: (III) Notice of Artciles of Pottery, Glass, Stone, Bronze, Iron, and Lead found in the course of the excavations at Birrenswark”, PSAS, vol. 33, pp. 243–249, Nov. 1899.