C. W. ยท C. Williams
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|---|
| Best Hikes of Colorado : An Altitude SuperGuide | Paperback | 978-1-55265-006-6 (1-55265-006-5) | 1999 |
| Best Hikes of Colorado : An Altitude SuperGuide | Ring-bound | 978-1-55265-007-3 (1-55265-007-3) | 1999 |