| Answer | Crossword Clue |
|---|---|
| ESTD | Cornerstone abbr. |
| EST | Cornerstone abbr. |
| ESTAB | Cornerstone abbr. |
| ESTAB | Abbr. on a cornerstone |
| EST | Abbr. on a cornerstone |
| ESTD | Abbr. on a cornerstone |
| ESTAB | Founded, on a cornerstone: Abbr. |
| ESTD | Abbr. on many a cornerstone |
| ESTD | Abbr. before a cornerstone date |
