Alexander, D., Carter, S., Church, M., Cressey, M., Hunter, F., Ingemark, D., Jackson, A., MacSween, A., McGill, C., Oldham, D., Sinfield, L., Tams, A., Warren, G., Hicks, K., Mudie, G., & Braby, A. (2006). Redcastle, Lunan Bay, Angus. Proceedings of the Society of Antiquaries of Scotland, 135, 41-118. https://doi.org/10.9750/PSAS.135.41.118