Llythyr oddi wrth Elizabeth Williams, o Poperinghe, at Silyn,
Llythyr oddi wrth Y Parch. J.J. Williams at Silyn,
Llythyr oddi wrth Evan Evans, Yr Ysgwrn, at Silyn,
Llythyr oddi wrth Y Parch J.J. Williams, Treforis, at Silyn,
Llythyr oddi wrth Evan Evans, Yr Ysgwrn, Trawsfynydd (tad Hedd Wyn) at R Silyn Roberts,
Llythyr oddi wrth Major T.R. Evans o Ffrainc, at R. Silyn Roberts,
Correspondence and accounts relating to R. Silyn Roberts’s involvement with the Hedd Wyn Memorial Fund,
Correspondence and accounts relating to R. Silyn Roberts’s involvement with the Hedd Wyn Memorial Fund,
R. Silyn Roberts Papers,
R. Silyn Roberts Papers,
War diary of the 14th (Service) Battalion, Royal Welsh Fusiliers,
War diary of the 14th (Service) Battalion, Royal Welsh Fusiliers,
Royal Welsh Fusiliers' War Diaries,
Royal Welsh Fusiliers' War Diaries,
Notes and letters regarding the death of Hedd Wyn,
Diary written by the Rev. R. Peris Williams whilst serving as Chaplain in the First World War,
Papers of Rev. R. Peris Williams,
Papers of Rev. R. Peris Williams,
Women’s Land Army,
Papers of Mary Silyn Roberts,
Papers of Mary Silyn Roberts,
Observer’s flying log book of Lt. John R. Williams, 2nd Batt. R.W.F., B.E.F., France,
John Richard Williams Papers,
John Richard Williams Papers,
An appeal made during the Great War, entitled ‘At y Cymry’ by John Morris-Jones,
Sir John Morris-Jones Papers,
Sir John Morris-Jones Papers,
