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-
Pynciau amrywiol/Miscellaneous subjects
Yn cynnwys llythyrau oddi wrth/Includes letters from: Geraint Bowen, Denzil Davies (2), Ithel Davies, Owen Edwards, BBC (4), Dafydd Orwig Jones, R. Tudur Jones (2), Jan Morris (3), Rhodri Williams.
Bowen, Geraint
Pynciau amrywiol/Miscellaneous subjects
Yn cynnwys llythyrau oddi wrth/Includes letters from: Clive Betts, Denzil Davies, Michael Foot, Emlyn Hooson, Fonesig/Lady Elsbeth Howe, Ieuan Gwynedd Jones, Nans Jones, T. Alec Jones, Robyn Lewis, Jan Morris, John Morris, Gwynedd O. Pierce, Dafydd Elis Thomas, George Thomas, Tim Webb, Dafydd Wigley (4).
Betts, Clive, 1943-
Pynciau amrywiol/Miscellaneous subjects
Yn cynnwys llythyrau oddi wrth/Includes letters from: Winifred Ewing, Heini Gruffudd, Dafydd Iwan, Barry Jones (2), Harri Pritchard Jones, Jan Morris, John Morris AS/MP (4), Jack Oliver, John Osmond, Dr Roger Thomas AS/MP.
Ewing, Winnie
Pynciau amrywiol/Miscellaneous subjects
Yn cynnwys llythyrau oddi wrth/Includes letters from: Roderic Bowen, Dr W. Gareth Evans, Ian Grist, Cledwyn Hughes AS/MP, Barry Jones (3), Gwerfyl Pierce Jones, Nans Jones, T. Alec Jones, Harry Llewellyn, Neville Masterman, Jan Morris, John Petts, Ted Spanswick.
Bowen, Roderic