Dolenni
ARCHIFAU
- Archifau Cymru
- Comiswn Brenhinol Henebion Cymru
- Is-adran Amgueddfeydd, Archifau a Llyfrgelloedd, Llywodraeth Cymru
- Llyfrgell Genedlaethol Cymru
- The National Archives of the United Kingdom
TYSTYSGRIFAU GENEDIGAETH, PRIODAS A MARWOLAETH
HANES LLEOL
- Abergavenny Local History Society
- Abersychan and Garndiffaith Local History Group
- Blaenau-Gwent Heritage Forum
- Caldicot Local History Society
- Cwmbran Historical Society
- Friends of the Newport Ship
- Friends of Tredegar House
- Gwent County History Association
- Gwent Western Front Association
- Longtown Historical Society
- Monmouthshire Antiquarian Association
- Risca Industrial History Museum and Oxford House Industrial History Society
- Shirenewton Local History Society
- South Wales Record Society
- The Chepstow Society
- The History of Ewyas Lacy (Ewyas Lacy Study Group)
HANES TEULU
COFNODION ARBENIGOL
- Archwillio Adnodd Archeolegol Cymru
- The Workhouses website
- Historical Directories
- Merchant Mariners (crew lists)
- Papura Newydd Cymru Arlein
- Cymru'n Cofio Wales Remembers 1914-1918