Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Phillips, D. Rhys (David Rhys), 1862-1952, 1 canlyniadau
- Gwilym Cowlyd, 1828-1904, 1 canlyniadau
- Palmer, Alfred Neobard, 1 canlyniadau
- Watkins, Percy E. (Percy Emerson), Sir, 1871-1946, 1 canlyniadau
- Central Welsh Board, 1 canlyniadau
- Dyfnallt, 1873-1956, 1 canlyniadau
- Welsh Housing and Development Association, 1 canlyniadau
- Chappell, Edgar L. (Edgar Leyshon), 1879-1949, 1 canlyniadau