| Clue | Source | Date |
|---|---|---|
| Philosophiae Naturalis ____ Mathematica, Newton's magnum opus | The Times O Tempora | 08 Mar 2025 |
| Pair confused with endless picnic of Newton's work (9) | ||
| Three-book Newton work | LA Times Daily | 16 Sep 2017 |
| Three-book Newton work | The Washington Post | 16 Sep 2017 |
| Three-book Newton work |