Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ellis, Thomas Edward, 1859-1899, 1 canlyniadau
- Evans, Vincent, Sir, 1851-1934, 1 canlyniadau
- North Wales Quarrymen's Union., 1 canlyniadau
- Hughes, H. Harold (Henry Harold), 1864-1940., 1 canlyniadau
- Cybi, 1871-1956, 1 canlyniadau
- Great Britain. Court of Quarter Sessions of the Peace (Caernarvonshire), 1 canlyniadau
- Plenydd, 1844-1926., 1 canlyniadau
- North Wales Quarrymen's Union -- Accounting., 1 canlyniadau
- North Wales Quarries Limited., 1 canlyniadau
- Daniel, David R. (David Robert), 1859-1931 -- Correspondence., 1 canlyniadau
- Pob un
- Strikes and lockouts -- Wales -- Bethesda., 2 canlyniadau
- Penrhyn Quarry (Wales), 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
