- 1-11.
- Sub-series
- 1851-1860.
Part of Papurau Owain Lleyn,
Part of Papurau Owain Lleyn,
Part of Papurau Eifion Wyn,
Llyfrau nodiadau yn cynnwys cerddi a deunydd amrywiol arall.
Part of Papurau Gwilym Alaw,
Gohebiaeth yn ymwneud â chyhoeddiadau,
Part of Papurau Amanwy,
Part of Papurau Alaw Ddu (W. T. Rees)
Part of Papurau Gwynfor
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Part of Ffilm Cymru Scripts
Scripts and related material for titles beginning with 'S'.
Part of Ffilm Cymru Scripts
Scripts and related material for titles beginning with 'T'.
Part of Ffilm Cymru Scripts
Scripts and related material for titles beginning with 'W'.
Part of Ffilm Cymru Scripts
Overviews, plot synopses, critical evaluations and related material relating to various production proposals submitted together.
Part of Ffilm Cymru Scripts
Untitled and fragmentary scripts, authorship not noted.
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,
Cerddi i Dewi Emrys fel a ganlyn,
Part of Papurau Dewi Emrys
Part of Papurau Bob Owen, Croesor,
Part of Papurau Bob Owen, Croesor,