| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The High Mountains of the Alps: The 4000m Peaks v. 1: The 4000m Peaks Vol 1 | 978-0-906371-43-5 (0-906371-43-0) | 1993 | Helmut Dumler |
Wil Burghoor · Will Barker · Will Brooker · Willi Berger · Willi Birker · Willi P. Burkhardt