- John Newman, Gwent/Monmouthshire, The Buildings of Wales, Penguin Books, 2000, p 309.,
- Glamorgan/Gwent Archaeological Trust : Monmouthshire Churches Project.,
- Sir Joseph Bradney, A History of Monmouthshire, The Hundred of Usk, 1923 (reprinted 1993),,
- The Rev. Andrew E Morton, Notes on the History of the Church in Llangybi.,