H-U. · Hans M. Underdal · Hans Martin Underdal · Hans Unterreitmeier
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Journey Through Norway: Unique Places to Dine and Stay | 978-82-90823-75-2 (82-90823-75-4) | 2002 |
| Wooden Hotels of Norway | 978-82-90823-30-1 (82-90823-30-4) | 1998 |