Barclay, Gordon J, Myra Tolan, Coralie Mills, and J Barber. 1991. “Trial Excavation of a Terrace-Edge Enclosure at North Mains, Strathallan, Perthshire”. Proceedings of the Society of Antiquaries of Scotland 120 (November):45-53. https://doi.org/10.9750/PSAS.120.45.53.