Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Gee, Thomas, 1815-1898, 2 canlyniadau
- Elis, o'r Nant, 1841-1912, 1 canlyniadau
- Foulkes-Roberts, Arthur, 1864-1941, 1 canlyniadau
- Eisteddfod Gadeiriol Sir Ddinbych (1919 : Rhosllanerchrugog, Wales), 1 canlyniadau
- East Lancashire Paper Mill Co. Ltd., 1 canlyniadau
- Messrs. Lloyd George, Roberts & Co., 1 canlyniadau
- Flintshire & Vale of Clwyd Master Printers' Association, 1 canlyniadau
- Gee, John Howel, d. 1903 -- Correspondence, 1 canlyniadau
- Davies, David Sanders, Sir, 1852-1934 -- Correspondence, 1 canlyniadau
- Roberts, J. E., Baner ac Amserau Cymru -- Correspondence, 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
