| Clue | Source | Date |
|---|---|---|
| Pair for each state | New York Times | 15 Sep 2023 |
| Capitol Hill prizes | The Washington Post | 13 Dec 2015 |
| Capitol Hill prizes | ||
| Positions affected by the 17th Amendment | ||
| A century in American politics | ||
| One hundred positions | ||
| Capitol Hill prizes | ||
| One century in American politics |