Cornell University Library · Nabu Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Railway Signaling: -1921 | 978-1-112-24788-0 (1-112-24788-2) | 2009 |
| Railway Signaling | 978-1-146-68505-4 (1-146-68505-X) | 2010 |
E.E. " · E. E. King · E. Edgar · "E. K." · E. King