| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sun Apr 8, 2007 | 123A | VX, e.g. | Byron Walden | Shortz |
| Fri Nov 3, 2000 | 36D | Respiration retarder | Joe DiPietro | Shortz |
| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sat Jan 25, 1986 | 26A | Outlawed weapon | Daniel Girardi | Maleska |
| Wed Sep 30, 1970 | 42A | Chemical warfare weapon | Unknown | Weng |