Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ramsay, John C., 2 canlyniadau
- Margam Estate (Wales), 1 canlyniadau
- David, Saint, active 6th century, 1 canlyniadau
- Thirlwall, Connop, 1797-1875, 1 canlyniadau
- Hills-Johnes, Elizabeth, 1834-1927, 1 canlyniadau
- Davys family, of Neuadd-fawr, 1 canlyniadau
- North and South Wales Bank., 1 canlyniadau
- Royal Agricultural College, 1 canlyniadau
- Lyell, Charles, Sir, 1797-1875., 1 canlyniadau
- Johnes, Charlotte Anna Maria, 1825-1911, 1 canlyniadau
- Pob un
- France -- Description and travel, 2 canlyniadau
- Dolaucothi Estate (Wales), 2 canlyniadau
- Lead mines and mining -- Wales -- Ceredigion, 1 canlyniadau
- Scotland -- Description and travel, 1 canlyniadau
- Astronomy, 1 canlyniadau
- Allt Ogofau (Cynwyl Gaeo, Wales), 1 canlyniadau
- Gold mines and mining -- Wales -- Carmarthenshire, 1 canlyniadau
- Volcanoes., 1 canlyniadau
- Earthquakes., 1 canlyniadau
- Astronomy -- Maps., 1 canlyniadau
