Coat of Arms of Edward IV of England
The Digital Walter W.847, Book of English heraldry
Athelhampton House, Puddletown, Dorchester
College of Arms. Vincent Ms 152 page 53.
The British Library. Add Ms 71511. Skelton, Bevil. The variations of the arms and badges of the severall kings of England ca 1684-87.
Muttum with elements of Sodacan