| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sun, Feb 21, 2021 | 93D | Element 39 | Matthew Stock | Shortz |
| Sun, Oct 20, 2019 | 40A | Element used in old television tubes | Natan Last | Shortz |
| Thu, Sep 07, 2017 | 67A | Its atomic number is 39 | Alex Eaton-Salners | Shortz |
| Fri, Jan 23, 1998 | 5D | Element #39 | Brendan Emmett Quigley | Shortz |