| Clue | Source | Date |
|---|---|---|
| They aren't generic | Universal | 10 Nov 2024 |
| Nongeneric store offerings | USA Today | 31 Aug 2023 |
| They're recognized in stores | Newsday | 11 Jan 2018 |
| They're not generic | New York Times | 14 Oct 2017 |
| They're not generic | ||
| They're not generic | ||
| 20- and 60-Across, e.g. | ||
| Generics may replace them | ||
| Generics replace them, sometimes |