Lone Pine Publishing · Sagamore Publishing
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Birds of the Great Plains | 978-1-55105-369-1 (1-55105-369-1) | 2005 | Bob Jennings · Roger Burrows |
| Interpretation for the 21st Century: Fifteen Guiding Principles for Interpreting Nature and Culture, | 978-1-57167-522-4 (1-57167-522-1) | 2002 | Larry Beck |
| Interpretation for the 21st Century: Fifteen Guiding Principles for Interpreting Nature and Culture | 978-1-57167-133-2 (1-57167-133-1) | 1997 | " |