| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Geodes: Nature's Treasures | Paperback | 978-1-889786-32-2 | 2006 | Brad Lee Cross |
| Geodes: Nature's Treasures | Hardcover | 978-1-889786-34-6 | 2006 | " |
| Midwest-- Gem, Fossil and Mineral Trails: Great Lakes States: Minnesota, Wisconsin, Indiana, Illinois, Michigan, Ohio | Paperback | 978-0-935182-39-2 | 1988 | J. Zeitner |
| Midwest Gem Fossil and Mineral Trails: Prairie States | " | 978-0-935182-94-1 | 1998 | Zeitner |
| Midwest Gem Trails: Field Guide for the Gem Hunter, the Mineral Collector and the Tourist | " | 978-0-910652-00-1 | 1964 | |
J C · J. Culp · J-Z · J. Zeitner · June C. Zeitner