Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ellis, Thomas Edward, 1859-1899, 3 canlyniadau
- North Wales Quarrymen's Union., 2 canlyniadau
- Lloyd George, David, 1863-1945., 1 canlyniadau
- Edwards, Owen M. (Owen Morgan), 1858-1920, 1 canlyniadau
- Evans, Vincent, Sir, 1851-1934, 1 canlyniadau
- Abraham, William, 1842-1922, 1 canlyniadau
- Trades unions -- Wales, North, -- Records and correspondence, 1 canlyniadau
- Daniel, David R. (David Robert), 1859-1931 -- Archives, 1 canlyniadau
- Hughes, H. Harold (Henry Harold), 1864-1940., 1 canlyniadau
- Cybi, 1871-1956, 1 canlyniadau
- Pob un
- Slate industry -- Wales, North., 1 canlyniadau
- Strikes and lockouts -- Slate industry -- Wales -- Bethesda, 1 canlyniadau
- Penrhyn Quarry (Wales), 1 canlyniadau
- Strikes and lockouts -- Wales -- Bethesda., 1 canlyniadau
- Slate industry -- Wales -- Bethesda., 1 canlyniadau
- Penrhyn Quarry Dispute., 1 canlyniadau
- Labor disputes -- Wales -- Bethesda., 1 canlyniadau
- Quarries and Quarrying -- Wales -- Bethesda., 1 canlyniadau
- Temperance -- Wales -- Poetry., 1 canlyniadau
- Penrhyn Quarry (Wales) -- Accidents., 1 canlyniadau
