| Clue | Source | Date |
|---|---|---|
| Senders of unsigned love letters | USA Today | 10 Aug 2025 |
| People sending unsigned valentines | Newsday | 12 Jun 2024 |
| Anonymous love letter senders (Rhonda Byrne) | Universal | 31 Aug 2019 |
| Anonymous love letter senders (Rhonda Byrne) | ||
| 24-Across or 5-Down? |