C C · S.C. · Sierra Club
| title | ISBN-13 | year of publication |
|---|---|---|
| Sierra Club Engagement Calendar 2014 | 978-1-57805-200-4 | 2013 |
| Sierra Club Engagement Calendar 2015 | 978-1-57805-204-2 | 2014 |
| Sierra Club Wilderness 2015 Calendar | 978-1-57805-203-5 | 2014 |
| Sierra Club Wilderness Calendar 2014 | 978-1-57805-199-1 | 2013 |