Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Academi Gymreig, 1 canlyniadau
- Parnell, Michael, 1934-, 1 canlyniadau
- Simpson, Mercer., 1 canlyniadau
- Vaughan-Williams, Ann, 1941-, 1 canlyniadau
- Foss, Peter J., 1 canlyniadau
- Welsh Union of Writers., 1 canlyniadau
- Association of Publishers in Wales., 1 canlyniadau
- Phoenix Bookshops Limited., 1 canlyniadau
- Pob un
- Jones, John Idris, 1938-, 7 canlyniadau
- Roberts, Dewi., 5 canlyniadau
- Stephens, Meic, 5 canlyniadau
- Curtis, Tony, 1946-, 4 canlyniadau
- Jenkins, Nigel, 1949-2014, 4 canlyniadau
- Thomas, R. S. (Ronald Stuart), 1913-2000, 3 canlyniadau
- Jones, Sally Roberts, 3 canlyniadau
- Jones, Jonah, 2 canlyniadau
- Bielski, Alison J., 2 canlyniadau
- Gruffydd, Peter, 1935-, 2 canlyniadau