- Addis J, Crickhowell Yesterday, 1996, Vol. II, pl. 52;,
- Bowen Rev. C A, Brief Historical Sketch of the Parish of Llangattock, Crickhowell, 1950 (leaflet in Crickhowell Library);,
- Haslam R, Powys, Buildings of Wales series, 1979, pp 345-6;,
- Llangattock PPC, The Story of St Cattwg Church, 1991 (pamphlet in church);,
- CPAT Sites and Monuments Record (PRN 20185).,