Alfred Ernest Wilkinson · E. Wilkinson · Ernst Walsken · Ernst Willkomm
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Colorado Outdoor Living: Eighty-plus Years | 978-0-9795590-1-3 | 2008 | |
| Management Principles and Practice | 978-0-304-29024-6 | 1971 | Roger Stuart Foster |
| Outdoor Tips and Tales | 978-0-9795590-2-0 | 2009 | |
| Snow Caves for Fun & Survival | 978-0-9795590-0-6 | 2007 | |
| Snow Caves for Fun and Survival | 978-1-55566-095-6 | 1992 | |
| Workshop Familiarization | 978-0-273-31675-6 | 1972 | |
Adobe Village Press · Cassell · Johnson Books · Pearson Education