Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Jones, J. Tywi (John Tywi), 1870-1948, 1 canlyniadau
- Jones, John Robert, 1911-1970, 1 canlyniadau
- Jones, Harri Pritchard, 1 canlyniadau
- Jones, J. E. (John Edward), 1905-1970, 1 canlyniadau
- Jones, J. E. (John Edward), 1905-1970 -- Correspondence, 1 canlyniadau
- Jones, Idwal, 1895-1937, 1 canlyniadau
- Jones, Iorwerth Hughes, 1902-1972, 1 canlyniadau
- Jones, J. Tysul (John Tysul), 1902-1986, 1 canlyniadau
- Jones, J. T. (John Tudor), 1904-1985, 1 canlyniadau
