DocsTeach - Primary Sources and Teaching Activities Related to Native Americans Webpage Grades: Grades 9-12 View Resource Add To Collection Favorite About Standards A selection of historical documents and other primary source materials housed at the National Archives related to Native Communities. Includes sections on treaties, reservations, Indian schools, Wounded Knee, and the Dakotas. 9-12.USH.11.G; 9-12.USH.13; 9-12.USH.15; 9-12.C.10.A