| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1979 | 978-0-934118-17-0 | Jr. Herbert H. Harwood | Impossible Challenge: The Baltimore and Ohio (B & O) Railroad in Maryland |
| 1999 | 978-0-934118-24-8 | David W. Messer | Triumph II: Philadelphia to Harrisburg, 1828-1998 |
| 2000 | 978-0-934118-25-5 | David W Messer | Triumph III: Philadelphia terminal, 1838-2000 |
| 2002 | 978-0-934118-27-9 | David, W. Messer · Charles S. Roberts | Triumph V - Philadelphia to New York 1830 - 2002 |
| 2004 | 978-0-934118-28-6 | Charles Roberts · David Messer | Triumph VI: Pioneer and Challenger, the Titanic Struggle for the Ohio River and Maryland that Kindled the Creation of a Vast Superpower (Triumph, VI) |