Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ynysymaengwyn Estate (Wales) -- Archives., 1 canlyniadau
- Ynysymaengwyn Estate (Wales), 1 canlyniadau
- Roberts, Kate, 1891-1985, 1 canlyniadau
- Maesypandy Estate (Wales) -- Archives., 1 canlyniadau
- Abergynolwyn Slate & Slab Co., 1 canlyniadau
- Maesypandy Estate (Wales), 1 canlyniadau
- Ruthin British School., 1 canlyniadau
- Talyllyn Railway., 1 canlyniadau
- Jones, J. D. (Joseph David), 1827-1870 -- Archives., 1 canlyniadau
- Jones, H. Haydn (Henry Haydn), Sir, 1863-1950 -- Archives., 1 canlyniadau
- Pob un
- Abergynolwyn (Wales), 2 canlyniadau
- Politicians -- Wales -- Archives., 1 canlyniadau
- Schools -- Wales -- Gwynedd., 1 canlyniadau
- Slate industry -- Wales -- Merioneth., 1 canlyniadau
- Tal-y-llyn (Gwynedd, Wales), 1 canlyniadau
- Aberdovey (Wales), 1 canlyniadau
- Llanfihangel-y-pennant (Wales), 1 canlyniadau
- Education, Primary -- Wales -- Abergynolwyn., 1 canlyniadau
- Llanfihangel-y-Pennant (Wales) -- History., 1 canlyniadau
- Abergynolwyn (Wales) -- History., 1 canlyniadau