| Clue | Source | Date |
|---|---|---|
| Bitter complainers | Premier Sunday | 07 Jul 2019 |
| Persistent critics | Wall Street Journal | 16 Feb 2019 |
| Persistent critics | ||
| One book is missing from new libraries, they protest | ||
| Ranters | ||
| Caustic critics | ||
| Those who viteruperate | ||
| Scolds | ||
| Revilers. | ||
| Complainers. |