Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Griffith, Moses, 1747-1819, 2 canlyniadau
- Prichard, John William, 1749-1829, 1 canlyniadau
- Davies, Hugh, 1739?-1821, 1 canlyniadau
- Royal Society, 1 canlyniadau
- Pryce, John, Sir, d. 1761 -- Marriage, 1 canlyniadau
- Blayney, Arthur, 1716-1795 -- Family, 1 canlyniadau
- Blayney, Arthur, 1716-1795., 1 canlyniadau
- Pryce, John, Sir, d. 1761, 1 canlyniadau
- Coryat, Tom, 1577-1617., 1 canlyniadau
- Schiavonetti, Luigi, 1765-1810, 1 canlyniadau
- Pob un
- Montgomeryshire (Wales) -- Description and travel -- Early works to 1800, 1 canlyniadau
- Geography, 1 canlyniadau
- Botany, 1 canlyniadau
- Zoology, 1 canlyniadau
- Snowdonia (Wales) -- Description and travel -- Early works to 1800, 1 canlyniadau
- Flintshire (Wales) -- Description and travel -- Early works to 1800, 1 canlyniadau
- Chester (England) -- Description and travel -- Early works to 1800, 1 canlyniadau
- Shrewsbury (England) -- Description and travel -- Early works to 1800., 1 canlyniadau
- Anglesey (Wales) -- Population, 1 canlyniadau
