Samuel Lewis, ed. (1849). "Brecknockshire". A Topographical Dictionary of Wales. British History Online. Archived from the original on 25 May 2011. Retrieved 27 July 2008.
coflein.gov.uk
"Watton Mount". Coflein. Royal Commission on the Ancient and Historical Monuments of Wales. Retrieved 2 October 2022.
Samuel Lewis, ed. (1849). "Brecknockshire". A Topographical Dictionary of Wales. British History Online. Archived from the original on 25 May 2011. Retrieved 27 July 2008.