Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Foulkes-Roberts, Arthur, 1864-1941, 3 canlyniadau
- Lloyd George, David, 1863-1945., 1 canlyniadau
- Gee, Thomas, 1815-1898, 1 canlyniadau
- Charles, Thomas, 1755-1814, 1 canlyniadau
- British and Foreign Bible Society, 1 canlyniadau
- Iolo, Goch, active 1345-1397, 1 canlyniadau
- Lewis, Henry, b. 1889, 1 canlyniadau
- Bevan, Bridget, 1698-1779, 1 canlyniadau
- British Museum, 1 canlyniadau
- Elis, o'r Nant, 1841-1912, 1 canlyniadau
- Pob un
- Welsh periodicals -- 20th century., 1 canlyniadau
- Slate industry -- Wales -- Dolwyddelan, 1 canlyniadau
- Paper industry -- England -- Radcliffe (Lancashire), 1 canlyniadau
- Slate industry -- Wales -- Denbighshire, 1 canlyniadau
- Lead mines and mining -- Wales -- Denbighshire., 1 canlyniadau
- Pontbrenbedw Slate Quarry (Dolwyddelan, Wales), 1 canlyniadau
- Pompren Slate Quarry (Denbighshire, Wales). Bodfari Mine, 1 canlyniadau
- Pompren Slate Quarry (Denbighshire, Wales), 1 canlyniadau
- Pompren Slate Quarry (Denbighshire, Wales) -- Accounting, 1 canlyniadau