| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Search for Safety: A History of Railroad Signals and the People Who Made Them | 978-O-96O62O2-O-3 (O-96O62O2-O-6) | 1981 | Mary Brignano |
H. M. · Heike Michaelis · Heike Michelsen · Heiko Michels · Hugh McAllister · Hugh McLaughlin · Hugh Michaels