English Language Section of 'Yr Academi Gymreig',
English Language Section of 'Yr Academi Gymreig',
Rhodd Howard Huws (Mawrth 2015)
Rhodd Howard Huws (Mawrth 2015)
Arthur John Williams's papers,
Arthur John Williams's papers,
Papers of Mrs Rose Harriette Thompson Williams (nee Crawshay),
Papers of Mrs Rose Harriette Thompson Williams (nee Crawshay),
Diaries,
Diaries,
Subject files,
Subject files,
Correspondence,
Correspondence,
A. J. Sylvester's publications,
A. J. Sylvester's publications,
Personalia,
Personalia,
Miscellanea,
Miscellanea,
Papurau ymchwil Alun Eirug Davies
Papurau ymchwil Alun Eirug Davies
Papurau T. Eirug Davies
Papurau T. Eirug Davies
Music manuscripts,
Music manuscripts,
Professional and personal papers,
Professional and personal papers,
Alun Hoddinott, 2017 (additional),
Alun Hoddinott, 2017 (additional),
Literary papers,
Literary papers,
Work journals,
Work journals,
Group I,
Group I,
Group II,
Group II,
Administration,
Administration,