| Clue | Source | Date |
|---|---|---|
| Math memorization | Thomas Joseph | 31 Dec 2024 |
| Subjects of some rote learning | ||
| Subjects of some grade school posters | New York Times | 20 Aug 2023 |
| L.A. or N.Y. publishing equipment? | The Washington Post | 05 May 2017 |
| L.A. or N.Y. publishing equipment? | LA Times Daily | 05 May 2017 |
| L.A. or N.Y. publishing equipment? | ||
| Some memorization in arithmetic class |