Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- South Wales Miners' Federation., 2 canlyniadau
- Labour Party (Great Britain), 1 canlyniadau
- Coleg Harlech., 1 canlyniadau
- Monmouthshire and South Wales Coal Owners' Association -- Archives., 1 canlyniadau
- Mining Association of Great Britain., 1 canlyniadau
- Dalziel, Alexander., 1 canlyniadau
- Dalziel, W. Gascoyne., 1 canlyniadau
- Gibson, Finlay Albert, 1875-, 1 canlyniadau
- Williams, Iestyn Rhys, 1892-1955., 1 canlyniadau
- Central Labour College., 1 canlyniadau
- Pob un
- Great Britain -- Politics and government -- 20th century, 1 canlyniadau
- Labor unions -- Wales, South, 1 canlyniadau
- Coal mines and mining -- Wales., 1 canlyniadau
- Coal trade -- Wales., 1 canlyniadau
- Rhondda Region (Wales) -- Industries., 1 canlyniadau
- Coal mines and mining -- Wales, South., 1 canlyniadau
- Socialism -- Great Britain., 1 canlyniadau
- Election districts -- Wales -- Llanelli., 1 canlyniadau
- Betws (Carmarthenshire, Wales), 1 canlyniadau
- Ammanford (Wales), 1 canlyniadau
