R. S. · Robert M. Searns · Robert S.
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Greenways: A Guide To Planning Design And Development | 978-1-55963-136-5 (1-55963-136-8) | 1993 | Charles Flink |
| Trails for the Twenty-First Century: Planning, Design, and Management Manual for Multi-Use Trails | 978-1-55963-819-7 (1-55963-819-2) | 2001 | Charles Flink · Kristine Olka · Rails to Trails Conservancy |