| Year | 1935 |
| Date | 21-Feb |
| Volume | 72 |
| Issue | 1,763 |
| Page | 179 |
| Category | Locomotive |
| Part | |
| Title | Loco. Prototypes. News and Notes |
| Author | Chas. S.Lake |
| Notes | Special Types of American Locomotives (lightweight 4-4-4 Baltimore & Ohio R.R., special design of 4-8-4 for the Northern Pacific R.R. |