| Clue | Source | Date |
|---|---|---|
| Secretary of Agriculture under Nixon | LA Times Daily | 05 Oct 2017 |
| Secretary of Agriculture under Nixon | The Washington Post | 05 Oct 2017 |
| Secretary of Agriculture under Nixon | ||
| 1970s secretary of agriculture | ||
| 1970s agriculture secretary | ||
| Sec. of Agriculture: 1971–76 |