I studied the Apache and the Sioux for my project, and I made a Raid Schedule and a bookmark.
The books I used were:
Apache Resistance
BY: Pamela Dell
made in 2016
The Sioux
BY: Donna Janell Bowman
made in 2016
this one is here just because it's beautiful:
Black Elk's Vision
BY: S.D. Nelson
made in 2010