Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Johnes, Elizabeth, fl. 1822 -1876, 2 canlyniadau
- Margam Estate (Wales), 1 canlyniadau
- Hills-Johnes, Elizabeth, 1834-1927 -- Correspondence, 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
- Johnes, Charlotte Anna Maria, 1825-1911 -- Correspondence, 1 canlyniadau
- Johnes, Elizabeth, fl. 1822 -1876 -- Correspondence., 1 canlyniadau
- Geological Survey of Great Britain, 1 canlyniadau
- Pob un
- Allt Ogofau (Cynwyl Gaeo, Wales), 2 canlyniadau
- Dolaucothi Estate (Wales), 2 canlyniadau
- Lead mines and mining -- Wales -- Ceredigion, 1 canlyniadau
- Scotland -- Description and travel, 1 canlyniadau
- Astronomy, 1 canlyniadau
- France -- Description and travel, 1 canlyniadau
- Carmarthenshire (Wales) -- Antiquities., 1 canlyniadau
- Gold mines and mining -- Wales -- Carmarthenshire, 1 canlyniadau
- Volcanoes., 1 canlyniadau
- Earthquakes., 1 canlyniadau
