Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Lloyd George, David, 1863-1945., 1 canlyniadau
- Ellis, Thomas Edward, 1859-1899, 1 canlyniadau
- Edwards, Owen M. (Owen Morgan), 1858-1920, 1 canlyniadau
- Trades unions -- Wales, North, -- Records and correspondence, 1 canlyniadau
- North Wales Quarrymen's Union., 1 canlyniadau
- Daniel, David R. (David Robert), 1859-1931 -- Archives, 1 canlyniadau
- Ratgoed Quarries Ltd -- Archives., 1 canlyniadau
- Tywyn Company -- Archives., 1 canlyniadau
- Abercorris Slate Quarry Company -- Archives., 1 canlyniadau
- Cambrian Slate Works (Wales) -- Archives., 1 canlyniadau
- Pob un
- Slate industry -- Wales, North., 2 canlyniadau
- Merioneth (Wales), 1 canlyniadau
- Montgomeryshire (Wales)., 1 canlyniadau
- Slate industry -- Wales -- Merioneth., 1 canlyniadau
- Machynlleth (Wales)., 1 canlyniadau
- Strikes and lockouts -- Slate industry -- Wales -- Bethesda, 1 canlyniadau
- Slate industry -- Wales -- Montgomeryshire., 1 canlyniadau
- Corris (Wales)., 1 canlyniadau
- Tywyn (Gwynedd, Wales)., 1 canlyniadau
- Cambrian Slate Works (Wales)., 1 canlyniadau
