| Clue | Source | Date |
|---|---|---|
| The "I" of E.I. du Pont | ||
| The "I" in "E.I. du Pont" | LA Times Daily | 13 Mar 2021 |
| The 'I' in 'E.I. du Pont' | The Washington Post | 13 Mar 2021 |
| The 'I' in E. I. du Pont | New York Times | 10 Jun 2015 |
| The "I" in E. I. du Pont | ||
| The "I" of E. I. du Pont | ||
| The "I" in E.I. du Pont | ||
| Part of E. I. du Pont | ||
| The "I" of E. I. Du Pont | ||
| Part of E. I. Du Pont | ||
| One of the du Ponts | ||
| Eleuthère ___ Du Pont | ||
| One of the Du Ponts. | ||
| Founder of the duPont business. | ||
| One of the Du Ponts | ||
| One of the du Ponts. |