Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Morris, Lewis, 1833-1907, 4 canlyniadau
- University College of Wales (Aberystwyth, Wales), 2 canlyniadau
- Rendel, Stuart Rendel, Baron, 1834-1913, 1 canlyniadau
- Phillips, D. Rhys (David Rhys), 1862-1952, 1 canlyniadau
- Lewis, E. A. (Edward Arthur), 1880-1942, 1 canlyniadau
- Llwyd, Morgan, 1619-1659, 1 canlyniadau
- National Library of Wales, 1 canlyniadau
- Lloyd, John Edward, Sir, 1861-1947, 1 canlyniadau
- Shankland, Thomas, 1858-1927, 1 canlyniadau
- Fletcher, John Kyrle, 1872-1942, 1 canlyniadau