NPRNTeitlMath O SafleArchifauDelweddauNPRN23260TeitlArts Building, Bangor University, College Road, BangorMath O SaflePRIFYSGOLArchifau52Delweddau13NPRN408229TeitlMemorial Building, Bangor University, Deiniol RoadMath O SaflePRIFYSGOLArchifau24Delweddau2
