- NLW MS 9210C.
- Ffeil
- 1867 /
An ode - 'Syr John Wynn o Wydir: Awdl Gadeiriol Gwynedd yn ngorsedd Gyfallwy Eisteddfod Llanrwst a Dyffryn Conwy, 1867', by Owain Gethin Jones. The manuscript was used for the edition printed at Llanrwst, 1877.
Owain Gethin Jones.