| Clue | Source | Date |
|---|---|---|
| Engineer, brakeman and conductor ... and what the ends of the answers to starred clues comprise? | The Washington Post | 04 Nov 2020 |
| Engineer, brakeman and conductor ... and what the ends of the answers to starred clues comprise? | LA Times Daily | 04 Nov 2020 |
| Conductor and engineer, among others | ||
| Engineer, conductors etc., |