Donning Company Publishers · University Press of Colorado
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| A Pikes Peak Partnership: The Penroses and the Tutts | Paperback | 978-0-87081-715-1 (0-87081-715-9) | 2002 | Thomas J. Noel |
| A Pikes Peak Partnership: The Penroses and the Tutts | Hardcover | 978-0-87081-609-3 (0-87081-609-8) | 2001 | " |
| History of Loveland Ski Area | " | 978-1-57864-824-5 (1-57864-824-6) | 2013 | |