Complete digitized collection of records from Bureau of Indian Affairs (BIA) superintendents, from 1813 to 1880. BIA superintendents recorded their interactions with Native American tribes, detailing encounters between Indigenous people and the U.S. government. It includes documents related to dozens of Native tribes from every region of the contiguous United States, including Apache, Arapaho, Blackfeet, Cherokee, Chippewa, Choctaw, Creek, Kickapoo, Kiowa, Klamath, Lummi, Mandan, Mojave, Navajo, Nez Perce, Osage, Potawatomi, Pueblo, Seminole, Sioux, Ute and others. Detailed historical background notes created by the curators of the National Archives are included.