- [S2436] #4569 Welsh Genealogies AD 1400-1500 (1983), Bartrum, Peter C. (Peter Clement), (18 volumes, with supplements containing additions and corrections. Aberystwyth: National Library of Wales, 1983), FHL book 942.9 D2bw., vol. 5 p. 773.
- [S673] #1079 A History of Monmouthshire from the Coming of the Normans into Wales down to the Present Time (1904-1993), Bradney, Sir Joseph Alfred, (Publications of the South Wales Record Society, number 8. Five volumes in 13. London: Mitchell, Hughes and Clarke, 1904-1993), FHL book 942.43 H2b., vol. 1 p. 142.