G. P. · G S · P S · P. Schaeffer
Silver Brook Junction Publishing Co. · Various small imprints
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Montour Railroad | 978-0-9640425-2-0 (0-9640425-2-5) | 1996 |
| The Wheeling and Lake Erie Railway: The East End | 978-1-4507-6183-3 (1-4507-6183-6) | 2011 |