| Clue | Source | Date |
|---|---|---|
| Stereotypical dogs | New York Times | 12 Apr 2020 |
| Cousins of Spots | New York Times | 08 Sep 2017 |
| Cousins of Spots | ||
| Some dogs | ||
| Dogs with stereotypical names | ||
| Stereotypical dog names | ||
| Stereotypical dog names | ||
| Canine names of old | ||
| Canine names of old | ||
| Mint rejects | ||
| Little friends of Rover. | ||
| Pups' cognomens. |