| Clue | Source | Date |
|---|---|---|
| "Kudos!" | Eugene Sheffer | 01 Jun 2023 |
| 'Nicely done!' | USA Today | 19 Jan 2021 |
| 'Nice work!' | USA Today | 31 Jul 2020 |
| Workplace kudos | New York Times | 30 Mar 2019 |
| 'Excellent work!' | Eugene Sheffer | 01 Mar 2019 |
| Workplace kudos | ||
| "Nicely done!" | ||
| "Well done!" |