| Clue | Source | Date |
|---|---|---|
| Violation of protocol putting up painting inside | ||
| Violation of accepted behaviour about return for art (13) | ||
| Infringement | Thomas Joseph | 07 Feb 2020 |
| Violation of art review in practice | ||
| Infringement (of a law) | The Times Concise | 21 Aug 2017 |
| Breach agreement about returning paintings | The Telegraph Cryptic | 21 May 2017 |