- Tom MacDonald
- Place of Birth: Llandre, Cardiganshire
- Dates: 1900-1980
- Gareth the Ploughman (1939)
- The Peak (1941)
- Gate of Gold (1946)
- The Black Rabbit (1948)
- How Soon Hath Time (1950)
- The Song of the Valley (1951)
- Y Tincer Tlawd (1971)
- Y Nos Na Fu (1974)
- The White Lanes of Summer (1975)
- Gwanwyn Serch (1982 ph.)
- Judith Maro
- Place of Birth: Jerusalem
- Dates: 1927-
- Atgofion Haganah (1973)
- Hen Wlad Newydd (1974)
- Y ‘Porth nid รข ‘n Anghof (1974)
- The Remembered Gate (1975)
- David Mathew
- Place of Birth: Pentyrch, Glamorganshire
- Dates: 1902-1976
- The Celtic Peoples and Renaissance Europe (1933)
- Steam Packet (1936)
- The Jacobean Age (1938)
- In Vallombrosa (1950-1953)
- Sir Tobie Mathew (1951)
- The Age of Charles I (1957)
- James I (1967)
- Lord Acton and His Times (1968)
- Clive Meikle: See Jeremy Brooks.
- Gareth Miles
- Place of Birth: Caernarfonshire
- Dates: 1938-
- Trotsci (1973)
- Cymru ar Wasgar (1974)
- Treffin (1979)
- Socialism for the Welsh (1980)
- Diwedd y Saithdegau (1982)
- Unwaith Eto, ‘Nghymru Annwyl (1984)
- Ronald Ellwy Mitchell
- Place of Birth: London
- Dates: 1905-
- A Handful of Sheep (1935)
- A Husband for Breakfast (1937)
- Deep Waters (1937)
- Design for November (1947)
- Dan Owen and the Angel Joe (1948)
- Three Men Went to Mow (1951)
- At the Sitting Hen (1957)
- Elena Puw Morgan
- Place of Birth: Corwen, Merionethshire
- Dates: 1970-1973
- Kitty Cordelia (1930)
- Angel y Llongau Hedd (1931)
- Lovell (1933)
- Tan y Castell (1937)
- Y Wisg Sidan (1939)
- Y Graith (1943)
- Place of Birth: Llandre, Cardiganshire