| Clue | Source | Date |
|---|---|---|
| 31st President of the U.S. who had a successful mining business: 2 wds. | ||
| Last of four | Newsday | 15 Sep 2017 |
| President of the U.S. (1929-33) was his first elected office | USA Today | 24 Apr 2016 |
| Only Iowa-born president | Newsday | 25 Mar 2016 |
| Depression president | ||
| 31st president | ||
| Crash of '29 President | ||
| President in 1930 | ||
| Number 31 |