- NLW MS 18428E.
- Ffeil
- 1659-1931.
Rhan oG. V. Roberts Collection of Literary Papers and Letters,
Miscellaneous letters. Correspondents include Lady Eleanor Butler and Sarah Ponsonby, Llangollen, 1792-1827 and undated; Captain Hugh Middleton, Dublin Bay, 1659; Thomas Pennant, Downing, 1793; General Sir Thomas Picton, 1800-1814; Caradoc Evans, Richmond, 1930; Llewelyn Powys, 1926; Connop Thirlwall, Bishop of St Davids, 1841-1873; Evan Walters, artist, 1931.