Llythyrau oddi wrth [Sir] John Morris-Jones o Goleg yr Iesu, Rhydychen at ei gyfaill William Edwards, Tyddyn Fadog, Llanfair Pwllgwyngyll, Ynys Môn

Other Finding Aids

Another catalogue description can be found here https://archiveshub.jisc.ac.uk/data/gb222-bmssjmj