- [S2434] #2105 Heraldic Visitations of Wales and Part of the Marches Between the Years 1586 and 1613 by Lewys Dwnn (1846), Dwnn, Lewys; transcribed and edited with notes by Sir Samuel Rush Meyrick, (2 volumes. Llandovery: William Rees, 1846), FHL book 942.9 D23d; FHL microfilm 176,668., vol. 2 p. 299.
- [S326] WG 1400-1500 - 2nd List, Bartrum, Peter C., (Aberystwyth. Llyfregell Genedlaethol Cymru / The National Library of Wales. 1999.), FHL 942.9 D2bw supp. 2., p. 84.
- [S712] #1039 Pedigrees of Anglesey and Carnarvonshire Families: with Their Collateral Branches in Denbighshire, Merionethshire (1914), Griffith, John Edwards, (Horncastle, England: W.K. Morton, 1914), FHL book Folio 942.9 D2gr; FHL microfilm 468,334., p. 396.