Gwasg Carreg Gwalch · RCL Publications
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Cwm Gwyrfai - The Quarries of the North Wales Narrow Gauge and the Welsh Highland Railways | 978-0-86381-897-4 (0-86381-897-8) | 2004 | Alun John Richards |
| De Winton: Engineers of Excellence | 978-0-9565157-1-1 (0-9565157-1-1) | 2011 | Alfred Fisher · David Fisher |
G J · G. Jones · G. P. · G. P. Jones · G Pierce · P.J. · P. Jones