| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Pennsylvania's Forbes Trail: Gateways and Getaways along the Legendary Route from Philadelphia to Pittsburgh | 978-1-58979-388-O (1-58979-388-9) | 2008 | Burton K. Kummerow · R. Scott Stephenson |
C.H. · C. T. · Christine H. · Christine O'Toole · H-O. · H.T. · O T · O'Toole