- Animal Tracks of the Pacific Northwest
- Animal Tracks of the Great Lakes States: Illinois, Indiana, Michigan, Minnesota, New York, Pennsylvania, Ohio and Wisconsin (Animal Tracks)
- Animal Tracks of the Rocky Mountains: Idaho, Montana, Wyoming, Utah, Colorado, Arizona and New Mexico
- Animal Tracks of Alaska (Animal Tracks)
- Animal Tracks of New England: Connecticut, Maine, Massachusetts, Rhode Island, New Hampshire and Vermont (Animal Tracks)
- Suzanne Verrier
- Grace Galliano
- Curtis O. Byer
- Tim Tucker
- Julie Marie Carrier
- Setha M. Low
- Laura Szabo-Cohen
- Louis W. Shainberg
- Martha Polovich
- John Grant
- Cal Pritner
- Charles Aulds
- Louis Shainberg
- Walter C. Kidney
- Chad Smith
- Leslie Roberts
- Larry W. Virden
- Education Department of Western Australi
- Mia Birk
- Judy Goss