Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Howard, Richard, Reverend, 3 canlyniadau
- Llandudno New Mine Company -- Accounting, 2 canlyniadau
- Wynn, John, Sir, 1553-1627, 1 canlyniadau
- Eure, Ralph Eure, Baron, 1558-1617, 1 canlyniadau
- Hafodunos Estate (Wales) -- Archives., 1 canlyniadau
- Wigfair Estate (Wales) -- Archives., 1 canlyniadau
- Llandudno New Mine Company., 1 canlyniadau
- Wigfair Estate (Wales), 1 canlyniadau
- Hafodunos Estate (Wales), 1 canlyniadau
- Lloyd, John, 1749-1815 -- Correspondence, 1 canlyniadau
- Pob un
- Copper mines and mining -- Wales -- Llandudno., 3 canlyniadau
- Copper industry and trade -- Wales -- Llandudno, 2 canlyniadau
- Copper ores -- Wales -- Llandudno, 2 canlyniadau
- Administration of estates -- Wales -- Denbighshire., 1 canlyniadau
- Lead mines and mining -- Wales -- Mold, 1 canlyniadau
- Mines and mineral resources -- Wales -- Trawsfynydd, 1 canlyniadau
- Gentry -- Wales -- Mold, 1 canlyniadau
- Lead mines and mining -- Wales -- Trawsfynydd, 1 canlyniadau
- Mines and mineral resources -- Wales -- Llangelynin, 1 canlyniadau
- Coal mines and mining -- Wales -- Mold, 1 canlyniadau
