| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1997 | 978-0-9646014-2-0 | Roy R. Weil · Mary M. Shaw | Free Wheeling Easy in & Around Western Pennsylvania: Motor Free Trails for Cyclists and Walkers |
| 1999 | 978-0-9646014-3-7 | Roy Weil · Mary Shaw | Free Wheeling Easy in & Around Western Pennsylvania: Motor Free Trails for Cyclists and Walkers |
| 2001 | 978-0-9646014-6-8 | Mary M Shaw · Roy R Weil | FreeWheeling Easy in Western Pennsylvania |
| 2002 | 978-0-9646014-8-2 | Mary Shaw · Roy Weil | Linking Up: Planning Your Traffic Free Bike Trip Between Pittsburgh and Washington, DC |