Norman Tucker,
"Bodrhyddan and the families of Conwy, Shipley-Conwy, and Rowley-Conwy, Part I & II",
Flintshire Historical Society Publications , Volumes 19-20, 1961-62.
J. E. Griffith,
Pedigrees of Anglesey and Carnarvonshire Families;
with their Collateral Branches in Denbighshire, Merionethshire and other parts,
(Horncastle, 1914), p.260.