| Clue | Source | Date |
|---|---|---|
| What 'X' could mark on a map | New York Times | 02 Jul 2023 |
| What 'X' marks on a treasure map | New York Times | 11 Oct 2020 |
| Snack food brand that sounds like buried treasure | ||
| Snack food brand that sounds like buried treasure | New York Times | 10 Nov 2019 |