| Year | 2018 |
| Date | 07-Dec |
| Volume | 221 |
| Issue | 4,601 |
| Page | 847 |
| Category | Locomotive |
| Part | 22 |
| Title | Technologie sans Frontieres |
| Author | Ron Fitzgerald |
| Notes | Looks at English and French locomotive design in the second half of the nineteenth century. P.L.M. Pacific 6001, P.L.M. Pacific 6101, |