Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Davies, J. Glyn (John Glyn), 1870-1953, 1 canlyniadau
- Williams, W. Llewelyn (William Llewelyn), 1867-1922, 1 canlyniadau
- Ellis, Thomas Edward, 1859-1899, 1 canlyniadau
- Evans, Vincent, Sir, 1851-1934, 1 canlyniadau
- Daniel, David R. (David Robert), 1859-1931 -- Correspondence, 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
- Davies, John, 1804-1884, 1 canlyniadau
- Pob un
- Wales -- Politics and government -- 20th century, 1 canlyniadau
- World War, 1914-1918, 1 canlyniadau
- Slate industry -- Wales, North., 1 canlyniadau
- Welsh language -- Dialects., 1 canlyniadau
- Welsh language., 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
