| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Geiriadur Bach, Y / Welsh Pocket Dictionary, The | 978-0-9538554-2-1 | 2008 | H. Meurig Evans |
| Geiriadur Mawr: Complete Welsh-English, English-Welsh Dictionary | 978-0-7154-0543-7 | 1987 | H.Meurig Evans |
| Geiriadur Mawr, Y: The Complete Welsh-English, English-Welsh Dictionary | 978-0-9538554-1-4 | 2001 | H. Meurig Evans |
| Y Geiriadur Mawr: Complete Welsh-English, English-Welsh Dictionary | 978-0-85088-462-3 | 1998 | " |
| Y Geiriadur Mawr: The Complete Welsh-English English-Welsh Dictionary | 978-0-686-97426-0 | 1981 | H. Meurig |
O T · O Thomas · W. J. Orville-Thomas · W.O. Thomas H. Meurig Evans · W. T. · W. Thomas
Christopher Davies Publishers · Dinefwr Publishers Ltd · French & European Pubns · Gomer Press