Alexander, Derek, S Carter, M Church, M Cressey, F Hunter, D Ingemark, A Jackson, et al. 2006. “Redcastle, Lunan Bay, Angus: The Excavation of an Iron Age Timber-Lined Souterrain and a Pictish Barrow Cemetery”. Proceedings of the Society of Antiquaries of Scotland 135 (November):41-118. https://doi.org/10.9750/PSAS.135.41.118.