| Clue | Source | Date |
|---|---|---|
| Self-taught people | The Times Specialist Sunday | 15 Dec 2024 |
| Self-taught people | LA Times Daily | 17 Aug 2019 |
| Self-taught people | The Washington Post | 17 Aug 2019 |
| Self-taught people | ||
| Group outside the class system | Newsday | 23 Jun 2018 |
| Self-taught group |