Check out these great materials on the Dakota Conflict, which occurred 150 years ago this year.
Dakota Conflict (film)
Produced, and written by Kristian Berg. 1993
This documentary takes another look at the events of August 1862 and explores the attitudes and points of view of both the white settlers and the Dakota people.
The War in Words: reading the Dakota Conflict Through the Captivity Literature
Derounian-Stodola, Kathryn Zabelle. 2009