Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Papurau Gwynfor Evans/Gwynfor Evans Papers,, 12 canlyniadau
- Papurau'r Academi Gymreig / The Welsh Academy Papers,, 9 canlyniadau
- David Jones (Artist and Writer) Papers, 7 canlyniadau
- Papurau Pennar Davies,, 5 canlyniadau
- Papurau D. Tecwyn Lloyd,, 4 canlyniadau
- Papurau'r Athro Griffith John Williams, 4 canlyniadau
- The Alun Hoddinott Archive,, 3 canlyniadau
- Papurau Norah Isaac,, 3 canlyniadau
- Papurau J. Gwyn Griffiths,, 3 canlyniadau
- University of Wales Archive, 2 canlyniadau
- Pob un
- Jones, Bobi, 1929-2017, 4 canlyniadau
- Jones, David, 1895-1974, 2 canlyniadau
- Thomas, Gwyn, 1936-, 2 canlyniadau
- Bowen, Euros,, 2 canlyniadau
- Oldfield-Davies, Alun, 1905-1988, 2 canlyniadau
- Beasley, Trefor, 2 canlyniadau
- Academi Gymreig, 1 canlyniadau
- Parry, Thomas, 1904-1985, 1 canlyniadau
- Cybi, 1871-1956, 1 canlyniadau
- Roberts, Kate, 1891-1985, 1 canlyniadau
- Pob un
- Lewis, Saunders, 1893-1985, 92 canlyniadau
- Roberts, Kate, 1891-1985, 18 canlyniadau
- Williams, D. J. (David John), 1885-1970, 12 canlyniadau
- Griffiths, John Gwyn, 9 canlyniadau
- Parry, Thomas, 1904-1985, 8 canlyniadau
- Ellis, T. I. (Thomas Iorwerth), 1899-1970, 8 canlyniadau
- Lloyd, D. Myrddin (David Myrddin), 1909-1981, 8 canlyniadau
- Parry-Williams, T. H. (Thomas Herbert), Sir, 1887-1975, 7 canlyniadau
- Jones, Bobi, 1929-2017, 7 canlyniadau
- Gwenallt, 1899-1968, 7 canlyniadau
- Pob un
- Arson -- Wales -- Penyberth (Llŷn), 3 canlyniadau
- Welsh language, 2 canlyniadau
- Wales -- History, 2 canlyniadau
- Political prisoners -- Wales., 2 canlyniadau
- Welsh drama -- 20th century, 2 canlyniadau
- Trials (Arson) -- Wales -- Penyberth., 2 canlyniadau
- Wales -- Genealogy, 1 canlyniadau
- Llanfair Talhaiarn (Wales), 1 canlyniadau
- Welsh poetry -- 20th century, 1 canlyniadau
- Wales -- Politics and government -- 20th century, 1 canlyniadau