| Clue | Source | Date |
|---|---|---|
| S.S. ___ (Kmart, originally) | USA Today | 29 Oct 2019 |
| S.S. ___ (Kmart, originally) | ||
| The 'K' in Kmart | New York Times | 03 Dec 2017 |
| The "K" in Kmart | ||
| Source of the 'K' in Kmart | New York Times | 28 Jun 2016 |
| Source of the "K" in Kmart | ||
| Kmart founder | ||
| Kmart founder | ||
| Kmart founder | ||
| Kmart founder S. S. | ||
| The K in Kmart | ||
| Woolworth contemporary | ||
| Retail-chain founder | ||
| Fifth largest U. S. foundation |