| Clue | Source | Date |
|---|---|---|
| Old intro to guys | Newsday | 02 Aug 2020 |
| Quaint formal letter opener | Premier Sunday | 20 Jan 2019 |
| Formal opening | LA Times Daily | 17 Apr 2016 |
| Quaint introduction | ||
| "To whom it may concern" alternative | ||
| Formal letter starter | ||
| Formal opening | ||
| Common opening | ||
| Fusty greeting | ||
| A letter opener | ||
| Letter opener | ||
| Non-PC letter opener | ||
| Opening line |