Steffy, Simon K.
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 131529
Simon K. Steffy Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| P. R. R. standard air brake examination questions and answers for locomotive engineers, firemen and trainmen, locomotive repairmen and inspectors, car repairmen and inspectors | 1915 | Author | |  | |  | | ||