'Yr Arwr' by Hedd Wyn,
Sir John Morris-Jones Papers,
Sir John Morris-Jones Papers,
Royal Welsh Fusiliers' War Diaries,
Royal Welsh Fusiliers' War Diaries,
'Rhiwle yn Ffrainc' written by Hedd Wyn,
Recruiting poster entitled 'Y darn papur',
R. Silyn Roberts Papers,
R. Silyn Roberts Papers,
Photograph of "A" Company 11th (Service) Battalion South Lancashire Regt.,
Papers of Rev. R. Peris Williams,
Papers of Rev. R. Peris Williams,
Papers of Mary Silyn Roberts,
Papers of Mary Silyn Roberts,
Papers of Major W.P. Wheldon,
Papers of Major W.P. Wheldon,
Papers of Cynan,
Papers of Cynan,
Newsletter entitled 'Oddi wrth y Pwyllgor Seneddol i godi milwyr',
John Richard Williams Papers,
John Richard Williams Papers,
Correspondence and printed material relating to Dr David Thomas,
U.C.N.W. (University College of North Wales) Collection of Papers relating to the First World War,
U.C.N.W. (University College of North Wales) Collection of Papers relating to the First World War,
Bob Owen Croesor Papers,
Bob Owen Croesor Papers,
Bangor Miscellaneous Collection.
Bangor Miscellaneous Collection.
Bala-Bangor Manuscripts,
Bala-Bangor Manuscripts,
Army pay book of Private David John Rogers, Bangor,
