Alexander, Derek, S Carter, M Church, M Cressey, F Hunter, D Ingemark, A Jackson, A MacSween, C McGill, D Oldham, L Sinfield, A Tams, G Warren, K Hicks, G Mudie, and A Braby. “Redcastle, Lunan Bay, Angus”. Proceedings of the Society of Antiquaries of Scotland 135 (November 30, 2006): 41-118. Accessed October 4, 2023.