| Description | Dau gopi o ddetholiad o Bulletin of Board of Celtic Studies, Volume Six, Part Two, gyda erthygl gan Henry Lewis teitledig 'Glosau Rhydychen a Chaergrawnt' /
Two copies of an extract from Bulletin of the Board of Celtic Studies, Volume Six, Part Four, with an article by Henry Lewis titled 'Glosau Rhydychen a Chaergrawnt' |