| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Nine Miles to Mammoth Cave: The Story of the Mammoth Cave Railroad | 978-O-939748-78-5 (O-939748-78-9) | 2012 | Colleen O'Connor Olson |
C C · C.C. Olson · C O'Connor · Connor O · **O.C.** · O'Connor