G. T. · G. Thomas · Gwyn & Thomas Jones
| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| A Few Selected Exits | Paperback | 978-0-8023-1303-4 | 1993 | |
| A Few Selected Exits | Hardcover | 978-0-09-088350-9 | 1968 | |
| All Things Betray Thee | Paperback | 978-1-908069-73-3 | 2011 | |
| All Things Betray Thee | " | 978-0-85315-664-2 | 1986 | |
| Ani-Feil-Aidd | " | 978-1-84851-172-9 | 2011 | |
| Dark Philosophers | " | 978-1-902638-82-9 | 2005 | |
| Eight Plays: The Loot Bk. 8 | " | 978-0-304-92348-9 | 1965 | |
| Living a Life | " | 978-90-70306-04-5 | 1982 | |
| Madog - The First White American: The Welsh Prince Who Discovered America | " | 978-0-86243-766-4 | 2005 | |
| Presenting Saunders Lewis | " | 978-0-7083-0852-3 | 1991 | Alun Richard Jones |
| Selected Short Stories | " | 978-1-85411-001-5 | 1995 | |
| Tales from the Mabinogion | " | 978-0-86243-897-5 | 2015 | |
| Tales from the Mabinogion | Hardcover | 978-1-58567-556-2 | 2005 | Margaret Jones |
| Tales from the Mabinogion | Paperback | 978-0-87951-637-6 | 1996 | |
| The Alone to the Alone | " | 978-1-905762-96-5 | 2008 | |
Bridges · Cassell · Dufour Editions · Harry N. Abrams · Lawrence & Wishart Ltd · Parthian Books · Random House · Seren · University of Wales Press · Y Lolfa