| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Transportation in America: Users, Carriers, Government | 978-0-13-930297-8 (0-13-930297-2) | 1982 |
| Transportation in America: Users, carriers, government | 978-0-13-930214-5 (0-13-930214-X) | 1978 |
D,. H.. · D Harper · Donald H · Donald Harper · Victor Harper