Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: John Emyr; Peter Hughes Griffiths; Robat Gruffudd (2); R. Brinley Jones; Robyn Lewis; Derec Llwyd Morgan; Laura McAllister (2); Dewi Watkin Powell; Emyr Price; Dafydd Elis Thomas; Dafydd Wigley (4); Glanmor Williams.
Emyr, John
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Cynog Dafis (4); Geraint H. Jenkins (2); R. Brinley Jones; Laura McAllister; John Osmond (3); Dewi Watkin Powell; Dafydd Wigley (5); Glanmor Williams.
Dafis, Cynog, 1938-
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Arglwydd/Lord Chalfont; T. I. Ellis; Julian Hodge; Dr Gareth Morgan Jones (4); T. Mervyn Jones; Robyn Lewis; Dewi Watkin Powell (2); Michael Richter; Goronwy O. Roberts; George Thomas; Glanmor Williams; Ifan Wyn Williams.
Chalfont, Alun Arthur Gwynne Jones, Baron, 1919-
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Thurlow Craig (2); Gwennant Davies (later Gillespie), Urdd Gobaith Cymru; T. I. Ellis (3); Winifred Ewing; Bedwyr Lewis Jones; Dafydd Morris Jones; Frank Price Jones; John Morris AS/MP (3); Dewi Watkin Powell; Goronwy O. Roberts; Edward Short (2); Ted Spanswick; Dafydd Wigley; Yr Athro/Professor Glanmor Williams.
Craig, Thurlow,
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Per Denez (2); Alun R. Edwards; Michael Foot; J. Gwyn Griffiths; R. Brinley Jones (2); Geraint Morgan AS/MP; James Nicholas (Jâms Niclas); Jack Oliver; Kate Roberts; Dafydd Elis Thomas; Glanmor Williams; Gordon Wilson.
Denez, Per