Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Labour Party (Great Britain), 2 canlyniadau
- Labour Party (Great Britain) -- Records and correspondence, 2 canlyniadau
- Labour Party Wales, 1 canlyniadau
- Labour Party Wales -- Records and correspondence, 1 canlyniadau
- Roberts, Goronwy, 1913-1981 -- Archives, 1 canlyniadau
- Labour Party Wales -- Records and correspondence., 1 canlyniadau
- Morris, John, 1931-, -- Archives, 1 canlyniadau
- Pob un
- Wales -- Politics and government -- 20th century, 2 canlyniadau
- Great Britain -- Politics and government -- 20th century, 1 canlyniadau
- Great Britain -- Politics and government -- 20th century., 1 canlyniadau
- Caernarvonshire (Wales) -- Politics and government -- 20th century, 1 canlyniadau
- Aberavon (Wales: parliamentary constituency) -- Politics and government -- 20th century, 1 canlyniadau
