| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1998 | 978-1-891274-00-8 | Silvia Pettem | Chautauqua Centennial (Boulder, Colorado), A Hundred Years of Programs |
| '' | 978-1-891274-01-5 | Silvia Pettem | Inn and Around Nederland, Accommodating the Traveler Then and Now (Peak to Peak) |
| 2003 | 978-1-891274-09-1 | '' | Behind the Badge: 125 Years of the Boulder, Colorado, Police Department |