Part of Papurau'r Academi Gymreig / The Welsh Academy Papers,
Mae'r grŵp hwn yn adlewyrchu gweithgraedd yr Academi wrth gynhyrchu'r Geiriadur, 1975-1993. Mae'n cynnwys gohebiaeth gyffredinol, cofnodion pwyllgor a gwahanol adroddiadau ar y gwaith wrth iddo ddatblygu.
Griffiths, Bruce, 1938-
Part of New Welsh Review Archive,
Papers, mostly correspondence, 1998-1999, regarding the series of articles 'Welsh greats of the century' published in the New Welsh Review. Included are letters from Dafydd Glyn Jones (2); Ozi Rhys Osmond; Hywel Francis; Belinda Humfrey; D. Densil Morgan (2); M. Wynn Thomas; and Gwyneth Lewis.
Part of Papurau D. Tecwyn Lloyd,
Llythyrau, [1962]-[1970]. Ymhlith y gohebwyr mae Selwyn [Jones] (15), A. O. H. Jarman, Dafydd Glyn Jones, Thomas Jones, Gildas [Jaffrennou] (2), [T.] Llew [Jones], David Jenkins (4), Gwenallt (2), J. R. Jones, Glyn [Jones] (2), Dafydd Iwan (2), Bedwyr [Lewis Jones] (3), Bobi Jones (4), Gwilym R. [Jones], R. Tudur Jones, Saunders Lewis (4), Alun Llywelyn-Williams, Roland Mathias (3), T. J. [Morgan] (4), Dyfnallt [Morgan], Derec Llwyd Morgan (7), Proinsias Mac Cana, W. Rhys Nicholas (2), a Dyddgu [Owen].
Jones, Selwyn, 1928-1998.