Barnhard-Roberts · Indiana University Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Impossible Challenge: The Baltimore and Ohio Railroad in Maryland | 978-0-934118-17-0 (0-934118-17-5) | 1979 |
| Invisible Giants: The Empires of Cleveland's Van Sweringen Brothers | 978-0-253-34163-1 (0-253-34163-9) | 2003 |
| The Railroad That Never Was: Vanderbilt, Morgan, and the South Pennsylvania Railroad | 978-0-253-35548-5 (0-253-35548-6) | 2010 |
H.H. · H. Harwood · Herbert H. · Herbert H Harwood · Herbert H. Harwood Jr. · J. H. · J. Harwood · J. Herbert