'Cronfa Dafydd Ddu', etc.
'Cronfa Dafydd Ddu', etc.
'Gwallter Mechain' letters,
'Gwallter Mechain' letters,
'Ysgrepan Nathan Dyfed'
'Ysgrepan Nathan Dyfed'
A Latin exercise book
A Latin exercise book
Account books and a diary
Account books and a diary
Accounts
Accounts
Adjudication by Gwallter Mechain
Adjudication by Gwallter Mechain
Adysgrifau 'Manoethwy',
Adysgrifau 'Manoethwy',
Adysgrifau 'Manoethwy',
Adysgrifau 'Manoethwy',
Agriculture
Agriculture
Agriculture; accounts of journeys,
Agriculture; accounts of journeys,
Albwm llofnodion, etc.,
Albwm llofnodion, etc.,
Aletheia
Aletheia
An Almanac and memoranda
An Almanac and memoranda
An English-Welsh Dictionary
An English-Welsh Dictionary
Arwyrain Rhyddid
Arwyrain Rhyddid
Autograph letters,
Autograph letters,
Autograph letters,
Autograph letters,
Barddoniaeth
Barddoniaeth
Barddoniaeth
Barddoniaeth