R. E. ยท Roy Edgemon
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Cartel Fortalezas De Portugal S Xviii Horizontal 4 1 | 978-84-616-2811-7 (84-616-2811-X) | 2014 |
| Cartel Fortalezas De Portugal S Xviii Horizontal 4 2 | 978-84-616-2821-6 (84-616-2821-7) | 2014 |
| Cartel Fortalezas De Portugal S Xviii Vertical 6 1 | 978-84-616-2831-5 (84-616-2831-4) | 2014 |