SOURCE-15041Research NeededProbable
Grant G Simpson. Anglo-Scottish Baron of the Thirteenth Century: the Acts of Rog...
Full citation
Grant G Simpson. Anglo-Scottish Baron of the Thirteenth Century: the Acts of Roger de Quincy, Earl of Winchester and Constable of Scotland, December 1965 (Doctor of Philosophy thesis submitted to theUniversity of Edinburgh), p. 307, downloadable from Edinburgh Research Archive here