Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: James Callaghan; Dr Noelle Davies (2); Desmond Donnelly; Winifred Ewing; R. E. Griffith (2); J. Gwyn Griffiths; A. O. H. Jarman; Dr Gareth Morgan Jones (7); R. Gerallt Jones; Robyn Lewis (2); D. Elystan Morgan; John Morris AS/MP; Iorwerth C. Peate; Goronwy O. Roberts; Dafydd Elis Thomas (2).
Callaghan, James, 1912-2005
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Ifor Davies AS/MP; Per Denez; Desmond Donnelly (2); Gwyneth Dunwoody; T. I. Ellis; Winifred Ewing; Yr Arglwydd/Lord Gardiner; Cledwyn Hughes AS/MP; Dafydd Morris Jones; Harri Pritchard Jones; Elfed ap Nefydd Roberts; Donald Soper; Ted Spanswick.
Davies, Ifor, 1910-1982
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Alun Talfan Davies; Ifor Davies; Ithel Davies; Desmond Donnelly; P. Berresford Ellis (2); Gwyn Erfyl; Meredydd Evans; Arglwydd/Lord Gardiner; Cledwyn Hughes AS/MP; Dr Gareth Morgan Jones; Kitty Idwal Jones; Roy Mason; D. Elystan Morgan; Dafydd Elis Thomas; George Thomas; Eirene White; Dr Phil Williams.
Davies, Alun Talfan, 1913-2000
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Gwilym Bowyer; E. Curig Davies; Desmond Donnelly; Huw T. Edwards (2); T. I. Ellis (3); Raymond Gower (5); Kenneth Harris; Parch./Rev. Luther Moseley; Iorwerth C. Peate (2); Ceinwen H. Thomas; Jac L. Williams (2).
Bowyer, Gwilym, 1906-1965