Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Davies, J. Glyn (John Glyn), 1870-1953, 1 canlyniadau
- Lloyd George, David, 1863-1945., 1 canlyniadau
- Pwllfanogl (Llanfair Pwllgwyngyll, Wales : Dwelling), 1 canlyniadau
- Britannia Slate Works (Llanedwen, Wales), 1 canlyniadau
- Williams, W. Llewelyn (William Llewelyn), 1867-1922, 1 canlyniadau
- Ellis, Thomas Edward, 1859-1899, 1 canlyniadau
- Edwards, Owen M. (Owen Morgan), 1858-1920, 1 canlyniadau
- Daniel, David R. (David Robert), 1859-1931 -- Correspondence, 1 canlyniadau
- Trades unions -- Wales, North, -- Records and correspondence, 1 canlyniadau
- North Wales Quarrymen's Union., 1 canlyniadau
- Pob un
- Slate industry -- Wales, North., 4 canlyniadau
- Wales -- Politics and government -- 20th century, 1 canlyniadau
- Merioneth (Wales), 1 canlyniadau
- Shipwrecks -- Wales -- Menai Strait, 1 canlyniadau
- World War, 1914-1918, 1 canlyniadau
- Slate industry -- Employees -- Wales, North., 1 canlyniadau
- Birds -- Wales -- Anglesey., 1 canlyniadau
- Welsh language -- Dialects., 1 canlyniadau
- Montgomeryshire (Wales)., 1 canlyniadau
- Slate industry -- Wales -- Merioneth., 1 canlyniadau
