| Clue | Source | Date |
|---|---|---|
| Lab buildings? | Wall Street Journal | 26 Apr 2023 |
| Backyard shelters for canines | Newsday | 11 Sep 2019 |
| Outdoor structures for canines | Newsday | 11 Dec 2018 |
| Backyard pet shelters | LA Times Daily | 25 Oct 2017 |
| Backyard pet shelters | The Washington Post | 25 Oct 2017 |
| Backyard pet shelters | ||
| Canine shelters | ||
| Rascals' temporary quarters | ||
| Toolsheds |