IOWAS
| Date | Clue |
|---|---|
| 2023-04-22 | People for whom a state is named |
| 2020-09-17 | Midwest tribe |
| 2014-11-26 | Midwest tribe |
| 2013-01-01 | Early Great Plains residents |
| 2012-04-13 | Chiwere speakers |
| 2011-06-04 | Foxes' neighbors, once |
| 2008-05-13 | Midwestern tribe |
| 2007-05-18 | Midwestern tribe |
| 2007-02-06 | Offshoot of the Winnebagos |
| 2003-11-30 | Midwest tribe |
| 1999-12-05 | Siouan speakers |
| 1996-01-23 | Midwest Indians |