By Daniel Molyneux, Ulster King of Arms, showing the descent of the title from Roger Bigod, earl of Norfolk, d. 1305, through Brotherton and Mowbray to Howard, ending with the children of Thomas Howard, 4th duke, attained 1572. BIB

Sir Nicholas Bacon's account as sheriff of Norfolk, as on Pipe Roll. BIB

For courts held by the dukes of Norfolk. BIB

BIB

BIB