| Year | Treaty |
|---|---|
| 1815 | Treaty with the Kansa, 1815 |
| 1825 | Treaty with the Kansa, 1825 |
| 1825 | Treaty with the Kansa, 1825 |
| 1846 | Treaty with the Kansa Tribe, 1846 |
| 1859 | Treaty with the Kansa, 1859 |
| 1862 | Treaty with the Kansa Indians, 1862 |
| 1864 | Agreement with the Kansa, 1864 |