T
- Ernest Lewis Thomas (Richard Vaughan)
- Place of Birth: Llanddeusant, Carmarthenshire
- Dates: 1904-1983
- Moulded in Earth (1951)
- Who Rideth So Wild (1952)
- Son of Justin (1955)
- All Through the Night (1957)
- There Is a River (1961)
- Dewin and Daran (1974)
- All the Moon Long (1974)
- Gwyn Thomas
- Place of Birth: Porth, Glamorganshire
- Dates: 1913-1981
- The Dark Philosophers (1946)
- Where Did I Put My Pity (1946)
- Alone to Alone (1947)
- All Things Betray Thee (1949)
- The World Cannot Hear You (1951)
- Now Lead Us Home (1952)
- A Frost on My Frolic (1953)
- The Stranger at My Side (1954)
- A Point of Order (1956)
- Gazooka (1957)
- The Love Man (1958)
- Ring Delirium 123 (1960)
- Land Organs (1962)
- The Keep (1962)
- Jackie the Juper (1963)
- A Welsh Eye (1964)
- A Hatful of Humours (1965)
- The Loot (1965)
- A Few Selected Exits (1968)
- The Lust Lobby (1971)
- Sap (1974)
- The Breakers (1976)
- Leslie Thomas
- Place of Birth: Newport, Monmouthshire
- Dates: 1931-
- This Time Next Week (1964)
- Virgin Soldiers (1966)
- Onward Virgin Soldiers (1971)
- Stand Up Virgin Soldiers (1975)
- Dangerous Davies (1976)
- The Magic Army (1982)
- In My Wildest Dreams (1984)
- Norman Tucker
- Place of Birth: Swansea, Glamorganshire
- Dates: 1894-1971
- Castle of Care (1937)
- Ride Gloriously (1944)
- Gay Salute (1946)
- Minions of the Moon (1946)
- No Coward Soul (1947)
- Master of the Field (1949)
- Restless We Roam (1950)
- The Rising gull (1952)
- Maple and Oak (1953)
- Rhymes of the Countryside (1959)