Alexander, D.; Carter, S.; Church, M.; Cressey, M.; Hunter, F.; Ingemark, D.; Jackson, A.; MacSween, A.; McGill, C.; Oldham, D. Redcastle, Lunan Bay, Angus: The Excavation of an Iron Age Timber-Lined Souterrain and a Pictish Barrow Cemetery. PSAS 2006, 135, 41-118.