- NLW MS 799D
- Ffeil
- [17 cent]-[18 cent.]
A manuscript, partly in the hand of Owen Gruffydd, Llanystumdwy, from the library at Madryn, Caernarvonshire, containing cywyddau, etc., by Owen Gruffydd and by William Elias, Sion Phylip, Edmwnd Prys and others.
Gruffydd, Owen, approximately 1643-1730