- NLW MS 1915C
- Ffeil
- 1828-1829
Transcripts, 1828-1829, by John Jenkins, of 'Historical Notices of Powys Castle, Montgomeryshire, and its Possessors' (see The Topographer, January, 1791), 'Description of Powys Castle', and 'Genealogical Particulars of the Family of Herbert collected by ... Walter Davies ... 1829 (at the request of the Countess of Powys)'.