Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Williams, H. Cernyw (Hywel Cernyw), 1843-1937, 5 canlyniadau
- Williams, H. Cernyw (Hywel Cernyw), 1843-1937 -- Correspondence, 3 canlyniadau
- Pedr Hir, 1847-1922, 2 canlyniadau
- Hobley, W. (William), 1858-1933, 2 canlyniadau
- Jones, J. W. (John William), 1883-1954, 1 canlyniadau
- Elfyn, 1858-1919, 1 canlyniadau
- Edwards, Alfred George, 1848-1937., 1 canlyniadau
- Roberts, Ellis, 1827-1895, 1 canlyniadau
- Rhys, John, Sir, 1840-1915, 1 canlyniadau
- Edwards, Owen M. (Owen Morgan), 1858-1920, 1 canlyniadau