Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Wynn family, of Gwydir, 1 canlyniadau
- Gwydir Estate (Wales), 1 canlyniadau
- Plas Llanstephan Estate (Wales), 1 canlyniadau
- Williams, John, 1840-1926 -- Archives, 1 canlyniadau
- Jones, John, 1777-1842, 1 canlyniadau
- Vaughan family, (of Llanelli), 1 canlyniadau
- Penry family, (of Swansea), 1 canlyniadau
- Dalton family, (of Pembrey), 1 canlyniadau
- Ynisarwed Resolven Colliery Company -- Records and correspondence, 1 canlyniadau
- Yniscedwyn Iron, Steel and Coal Company -- Records and correspondence, 1 canlyniadau
- Pob un
- Pembrey (Wales), 4 canlyniadau
- Carmarthenshire (Wales), 2 canlyniadau
- Deeds -- Wales -- Carmarthenshire., 2 canlyniadau
- Cardiganshire (Wales), 1 canlyniadau
- Glamorgan (Wales), 1 canlyniadau
- Caernarvonshire (Wales), 1 canlyniadau
- Denbighshire (Wales)., 1 canlyniadau
- Merioneth (Wales), 1 canlyniadau
- Iron industry and trade -- Wales, South., 1 canlyniadau
- Iron industry and trade -- Wales -- Glamorgan., 1 canlyniadau
