Royal Commission on the Ancient and Historical Monuments and Constructions in Wales and Monmouthshire. (1914). An inventory of the ancient monuments in Wales and Monmouthshire: IV. county of Denbigh. H.M.S.O..
Chicago-referens (17:e uppl.)Royal Commission on the Ancient and Historical Monuments and Constructions in Wales and Monmouthshire. An Inventory of the Ancient Monuments in Wales and Monmouthshire: IV. County of Denbigh. London: H.M.S.O., 1914.
MLA-referens (8:e uppl.)Royal Commission on the Ancient and Historical Monuments and Constructions in Wales and Monmouthshire. An Inventory of the Ancient Monuments in Wales and Monmouthshire: IV. County of Denbigh. H.M.S.O., 1914.
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