| Clue | Source | Date |
|---|---|---|
| Put one's head down and get the work done | Universal | 21 Dec 2025 |
| Get some heads-down work done (... letters 3-8) | Universal | 27 Nov 2024 |
| Get some heads-down work done | ||
| Persevere | LA Times Daily | 10 Jun 2017 |
| Persevere | The Washington Post | 10 Jun 2017 |
| Persevere |