- NLW MS 23925E, ff. 55-58.
- Eitem
- 1978 /
Letter, 16 July 1978, from Gwynedd [O. Pierce], Lisvane, to a hitheto unidentified 'John' (f. 55), enclosing notes by Pierce on the meaning of the placename Kilgwrrwg, Monmouthshire (ff. 56-58).
Pierce, Gwynedd O.