| Clue | Source | Date |
|---|---|---|
| Established proof of | ||
| Confirmed that Penny wandered (6) | ||
| As it turned out, Stephen, at heart, was a wanderer (6) | ||
| Left no doubts about | New York Times | 01 Sep 2024 |
| Showed to be true | USA Today | 25 Mar 2023 |
| Showed to be true | Newsday | 30 Nov 2022 |
| Established beyond doubt | Irish Times Simplex | 12 Nov 2021 |
| Provided evidence | USA Today | 08 Nov 2021 |
| Established beyond doubt | Irish Times Simplex | 01 Oct 2021 |
| Demonstrated the validity of | Universal | 06 Mar 2020 |
| Established beyond doubt | Irish Times Simplex | 22 Nov 2019 |
| Shown to be true | Universal | 10 Sep 2016 |
| Showed to be true | ||
| Validated | ||
| Showed to be true | ||
| Bore out | ||
| Established validity | ||
| Showed | ||
| Authenticated | ||
| Demonstrated | ||
| Put to the test | ||
| Confirmed | ||
| Turned out to be | ||
| Verified. | ||
| Put to the test. |