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: Alun Talfan Davies; Cassie Davies; Denzil Davies AS/MP; Ioan L. Evans AS/MP; Raymond Garlick; Peter Hughes Griffiths (11); Arglwydd/Lord Crowther-Hunt; Emyr Jenkins; R. Gerallt Jones (3); Dewi Watkin Powell; John Silkin; Dafydd Elis Thomas.
Davies, Alun Talfan, 1913-2000
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Teleri Bevan; Per Denez; Owen Edwards, BBC; Winifred Ewing; Trevor Fishlock; Peter Hughes Griffiths (5); Dafydd Islwyn; Harri Pritchard Jones; R. Gerallt Jones; Dewi Watkin Powell (2); Peter Shore; Dafydd Wigley (3).
Bevan, Teleri, 1931-
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Humphrey Atkins AS/MP; Clive Betts; James Callaghan; Ifor Davies AS/MP; Nicholas Edwards; Tom Ellis AS/MP; Meredydd Evans; Peter Hughes Griffiths; Ian Grist; Gwerfyl Pierce Jones; R. Gerallt Jones; Leopold Kohr; Derec Llwyd Morgan; Jan Morris (3); Dewi Watkin Powell; Dafydd Elis Thomas.
Atkins, Humphrey, 1922-
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Huw Ceredig; Thurlow Craig; Emyr Daniel; Ifor Davies AS/MP; Ithel Davies (2); Reg Gunter; Judith Hart; Denis Howell; Dr Ben G. Jones; Arglwydd/Lord Elwyn-Jones (2); E. D. Jones; Dr Gareth Morgan Jones; Harri Pritchard Jones; R. Gerallt Jones; Horace King; Roy Mason (2); John Morris AS/MP (2); Fred Peart; Alwyn D. Rees; Ted Short; Meic Stephens; Jac L. Williams.
Ceredig, Huw
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Anthony Barber; Leon Brittan; Cynan (2); Gwennant Davies (later Gillespie), Urdd Gobaith Cymru; P. Berresford Ellis; Cledwyn Hughes AS/MP; R. Gerallt Jones; James Morris; Alan Butt Philip; Merlyn Rees; Dafydd Wigley.
Barber, Anthony, 1920-
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Dr Noëlle Davies; Mari Ellis; Peter Hughes Griffiths (3); Dafydd Iwan; David Jones (1895-1974); Harri Pritchard Jones; R. Gerallt Jones; D. Tecwyn Lloyd; Derec Llwyd Morgan; John Morris AS/MP; Dewi Watkin Powell; Melvyn Rosser; Eurys Rowlands; Dafydd Wigley.
Davies, Noëlle, 1899-1983