| Clue | Source | Date |
|---|---|---|
| Animals on neighborhood posters | Newsday | 27 Mar 2024 |
| What microchips help to find | New York Times | 03 Aug 2022 |
| Subjects of some neighborhood posters | Wall Street Journal | 01 Aug 2022 |
| Subjects of some reward posters | Wall Street Journal | 19 Nov 2020 |
| Reward poster subjects, perhaps | USA Today | 22 Apr 2020 |