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Seaman, A. 2018. Landscape, settlement and agriculture in early medieval Brycheiniog: the evidence from the Llandaff charters. in: Comeau, R. and Seaman, A. (ed.) Living off the Land: Agriculture in Wales c. 400 to 1600 AD Windgather Press.
Seaman, A. 2016. Defended settlement in early medieval Wales: problems of presence, absence and interpretation. in: Christie, N. and Herold, H. (ed.) Fortified Settlements in Early Medieval Europe: Defended Communities of the 8th-10th Centuries Oxford Oxbow Books. pp. 37-51