Part of Glyn Jones Papers,
Includes letters from Meurig Walters (9), J. P. Ward (3), Vernon Watkins (6), Harri Webb (9), [?] Geoffrey West (2), Laurence Whistler, Alun Llywelyn-Williams (12), Barbara Prys-Williams (2), Gareth Williams, Gwyn Williams (5), Herbert Williams (4), Huw Menai (16), John Stuart Williams (4), Kyffin Williams (2), Morris T. Williams (3), and Woodrow Wyatt (7).
Part of Kyffin Williams Archive
Includes letters from Henry Paget (Marquess of Anglesey, 3), John Ormond (4), R. Vivian Pitchforth (3), Laurence Whistler (2), David Jenkins (2), Karl Theodore Parker, John Betjeman, Tim Jeal, Evan Charlton, R. Charles Evans, Bruce Campbell, Eiluned Rees, Bernard Dunstan, and Diana Armfield.
Part of Kyffin Williams Archive
Includes letters from Rosemary Gwynne-Jones (3, one written on behalf of Allan Gwynne-Jones), Eric Gee, Eiluned Rees (5), Robert W. Steel (2), R. Vivian Pitchforth (3), Lloyd Kenyon (2), Laurence Whistler, Edward Bawden (5, including a lino-cut by him), John Ormond (2), Ivor Roberts-Jones, Gareth Alban Davies, Mildred E. Eldridge, John Ward, Tom Parry, and R. Geraint Gruffydd (2).
Part of Kyffin Williams Archive
Includes letters from Elias Owens, Peter Greenham, Laurence Whistler (2), Eirene White, Alastair Panton, Graham Sutherland, Gwilym O. Williams, Henry Paget (Marquess of Anglesey, 2), Fred Uhlman, Lloyd Kenyon (5), Richard Eurich (3), James Fitton, David Jenkins (2), and Ivor Roberts-Jones.