- NLW MS 13865E.
- Ffeil
- 1860-1862
A volume of certified copies of records housed in the Public Record Office [now The National Archives], London, including transcripts of charter rolls, inquisitions and final concords, mostly relating to Gruffudd ap Gwenwynwyn, Lord of Powys, and his descendants.
The documents were reproduced as an appendix to G. T. O. Bridgeman's article 'The Princes of Upper Powys', in Montgomeryshire Collections, 1 (1868), 104-194.