| Clue | Source | Date |
|---|---|---|
| Odd remedy for an overhead crack? | LA Times Daily | 08 Dec 2023 |
| Polish to make the tin tiles really shine? | Wall Street Journal | 01 Jul 2023 |
| Medium for Michelangelo’s Sistine Chapel crayon drawings? | Wall Street Journal | 28 Aug 2019 |
| Medium for Michelangelo's Sistine Chapel crayon drawings? |