Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Papurau Gwynfor Evans/Gwynfor Evans Papers,, 11 canlyniadau
- John Morris Papers,, 5 canlyniadau
- Papurau'r Academi Gymreig / The Welsh Academy Papers,, 2 canlyniadau
- University of Wales Archive, 1 canlyniadau
- Roland Mathias Papers, 1 canlyniadau
- Ivor T. Rees Political Papers,, 1 canlyniadau
- Sam Adams Papers, 1 canlyniadau
- Pob un
- Jones, Bobi, 1929-2017, 2 canlyniadau
- Bowen, D. J. (David James), 1925-, 2 canlyniadau
- Charles, Prince of Wales, 1948-, 1 canlyniadau
- Bowen, Euros,, 1 canlyniadau
- Bowen, Geraint, 1 canlyniadau
- Clee, Tegwen, 1901-1965, 1 canlyniadau
- Davies, Alun Creunant, 1 canlyniadau
- Callaghan, James, 1912-2005, 1 canlyniadau
- Betts, Clive, 1943-, 1 canlyniadau
- Daniel, Goronwy H. (Goronwy Hopcyn), 1914-2003, 1 canlyniadau
- Pob un
- Davies, Alun Talfan, 1913-2000, 22 canlyniadau
- Lewis, Saunders, 1893-1985, 6 canlyniadau
- Griffiths, John Gwyn, 4 canlyniadau
- Morris, Jan, 1926-2020, 4 canlyniadau
- Hughes Griffiths, Peter, 4 canlyniadau
- Elis-Thomas, Dafydd, 1946-, 3 canlyniadau
- Jones, Barry, 1938 June 26-, 3 canlyniadau
- Jones, Bedwyr Lewis, 3 canlyniadau
- Davies, Noëlle, 1899-1983, 3 canlyniadau
- Wigley, Dafydd, 3 canlyniadau