| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Speak Welsh - An Introduction to the Welsh Language Combining a Simple Grammar, Phrase Book and Dictionary | 978-1-871O83-OO-2 (1-871O83-OO-1) | 2007 |
G J · G. Jones · G. P. · G. P. Jones · G. Pritchard · Gwen Jones · P.J. · P. Jones