Constance Bullock-Davies Papers,
Constance Bullock-Davies Papers,
Mary Dillwyn : Llysdinam Album.
Mary Dillwyn : Llysdinam Album.
Aberclydan (Llanon) Brewery Records,
Aberclydan (Llanon) Brewery Records,
Proflenni Llyfryddiaeth Gymreig o 1801-1810
Proflenni Llyfryddiaeth Gymreig o 1801-1810
Observations upon the picturesque scenery of North Wales
Observations upon the picturesque scenery of North Wales
Glan Alaw MSS,
Glan Alaw MSS,
M. O. Jones Manuscripts
M. O. Jones Manuscripts
'Bywgraffiaeth Cerddorion Cymreig',
'Bywgraffiaeth Cerddorion Cymreig',
'The Croesor File': research material relating to the Croesor Slate Quarry,
'The Croesor File': research material relating to the Croesor Slate Quarry,
Cywyddau a cherddi,
Cywyddau a cherddi,
Y Seint Greal,
Y Seint Greal,
Roland Mathias Papers
Roland Mathias Papers
J. R. Davies PhD thesis, 'The Book of Llandaf...'
J. R. Davies PhD thesis, 'The Book of Llandaf...'
Music book,
Music book,
John Cowper Powys and Llewelyn Powys letters to Margaret Moon
John Cowper Powys and Llewelyn Powys letters to Margaret Moon
John Cowper Powys letters to Ronald Hall
John Cowper Powys letters to Ronald Hall
John Cowper Powys letters to C. Benson Roberts
John Cowper Powys letters to C. Benson Roberts
Papurau Prys Morgan,
Papurau Prys Morgan,
Birdsall Bookbinding Company Collection,
Birdsall Bookbinding Company Collection,
Cofysgrifau Capel y Bedyddwyr Tabernacl Caerfyrddin,
Cofysgrifau Capel y Bedyddwyr Tabernacl Caerfyrddin,
