- A1/6.
- Ffeil
- 1974.
Rhan oKyffin Williams Archive
Includes letters from Fred Uhlman (3), Edward Bawden, Tim Jeal, Nicholas Edwards, Peter Thomas, Allan Gwynne-Jones, A. Tudno Williams, Jack Raymond Jones, Joan Connell, John Ormond (4), Gwilym O. Williams, Gareth Alban Davies, Priscilla Anderson (2), and Ivor Roberts-Jones.