Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Clive Betts; Teleri Bevan; Cassie Davies; Moses Griffith; Peter Hughes Griffiths; Tristan Garel Jones; Robyn Lewis; D. Tecwyn Lloyd (2); Syd Morgan (2); Jack Oliver; Peter Thomas AS/MP (2).
Betts, Clive, 1943-
Gohebiaeth gyffredinol/General correspondence
Yn cynnwys llythyrau oddi wrth/Includes letters from: Clive Betts; David Ennals; Meredydd Evans; Winifred Ewing (4); Cledwyn Hughes AS/MP (2); Dr Gareth Morgan Jones (6); Tom Jones, Shotton; Robyn Lewis (5); D. Elystan Morgan; John Morris AS/MP (2); E. T. Nevin; Alwyn D. Rees; Dafydd Wigley; Rita Williams.
Betts, Clive, 1943-
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-