Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Lhuyd, Edward, 1660-1709, 1 canlyniadau
- Morris, Lewis, 1701-1765, 1 canlyniadau
- Evans, Evan, 1731-1788, 1 canlyniadau
- Prys, Thomas, 1564?-1634, 1 canlyniadau
- Richard, Edward, 1714-1777., 1 canlyniadau
- Morris, Lewis, 1701-1765 -- Correspondence, 1 canlyniadau
- Pughe, W. Owen (William Owen), 1759-1835, 1 canlyniadau
- David, Saint, active 6th century, 1 canlyniadau
- Camden, William, 1551-1623, 1 canlyniadau
- Richard, Edward, 1714-1777 -- Correspondence, 1 canlyniadau
- Pob un
- Great Britain -- Kings and rulers -- Chronology -- Early works to 1800, 4 canlyniadau
- Land tenure -- Wales -- Trawsfynydd, 1 canlyniadau
- Rivers -- Great Britain -- Early works to 1800, 1 canlyniadau
- Saints -- Wales -- Early works to 1800, 1 canlyniadau
- Gwent (Wales) -- Kings and rulers -- Chronology -- Early works to 1800, 1 canlyniadau
- Cumbria (England) -- Kings and rulers -- Chronology -- Early works to 1800, 1 canlyniadau
- Great Britain -- History -- 55 B.C.-449 A.D. -- Early works to 1800, 1 canlyniadau
- Great Britain -- History -- 449-1066 -- Early works to 1800, 1 canlyniadau
- Wales -- Kings and rulers -- Early works to 1800, 1 canlyniadau
- Tŵr Maen (Trawsfynydd, Wales : Farm), 1 canlyniadau
