Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ellis, Thomas Edward, 1859-1899, 2 canlyniadau
- North Wales Quarrymen's Union., 2 canlyniadau
- Davies, J. Glyn (John Glyn), 1870-1953, 1 canlyniadau
- Lloyd George, David, 1863-1945., 1 canlyniadau
- Williams, W. Llewelyn (William Llewelyn), 1867-1922, 1 canlyniadau
- Edwards, Owen M. (Owen Morgan), 1858-1920, 1 canlyniadau
- Evans, Vincent, Sir, 1851-1934, 1 canlyniadau
- Daniel, David R. (David Robert), 1859-1931 -- Correspondence, 1 canlyniadau
- Trades unions -- Wales, North, -- Records and correspondence, 1 canlyniadau
- Daniel, David R. (David Robert), 1859-1931 -- Archives, 1 canlyniadau
- Pob un
- Slate industry -- Wales, North., 2 canlyniadau
- Wales -- Politics and government -- 20th century, 1 canlyniadau
- World War, 1914-1918, 1 canlyniadau
- Welsh language -- Dialects., 1 canlyniadau
- Welsh language., 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
