Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Kenward, James, 2 canlyniadau
- Alltud Eifion, 1815-1905, 1 canlyniadau
- Jones, John Athanasius, 1840-1892, 1 canlyniadau
- Glasynys, 1828-1870, 1 canlyniadau
- Jones, William, 1803-1886, 1 canlyniadau
- Taliesin o Eifion, 1820-1876, 1 canlyniadau
- James, J. Spinther (James Spinther), 1837-1914, 1 canlyniadau
- Jones, John Bowen, 1829-1905, 1 canlyniadau
- Dafydd Morganwg, 1832-1905, 1 canlyniadau
- Jones, T. Tudno (Thomas Tudno), 1844-1895, 1 canlyniadau
- Pob un
- Lake District (England) -- Description and travel, 1 canlyniadau
- Botany -- Wales, 1 canlyniadau
- Snowdonia (Wales) -- Description and travel, 1 canlyniadau
- Mountaineering -- Great Britain., 1 canlyniadau
- Industries -- Great Britain -- Environmental aspects., 1 canlyniadau
- Geology -- Great Britain., 1 canlyniadau