David E. · David L. · David Longest · E. L.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Railroad Depots of Northern Indiana | 978-0-7385-4131-0 (0-7385-4131-1) | 2007 |
| Railroad Depots of Southern Indiana | 978-0-7385-3958-4 (0-7385-3958-9) | 2005 |
| The Monon Railroad in Southern Indiana | 978-0-7385-5237-8 (0-7385-5237-2) | 2008 |