| Clue | Source | Date |
|---|---|---|
| The physical process of ageing | The Times Specialist Sunday | 15 Sep 2019 |
| One dreadful scene eclipses another in process of aging | ||
| Process of aging | New York Times | 16 Jan 2018 |
| Process of aging | ||
| Aging | The Guardian Quick | 02 Apr 2016 |
| Two versions of scene confused in old age | ||
| Old age | ||
| Onset of old age. |