| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 2020 Sun and Moon Calendar for Denali National Park and Preserve | 978-1-7129-1878-4 (1-7129-1878-8) | 2019 | Stefan Hollos |
| 2020 Sun and Moon Calendar for Grand Canyon National Park | 978-1-7102-8502-4 (1-7102-8502-8) | 2019 | " |
J. H. · J R · J. Richard · R. H. · Richard H.