Ancestry.com - U.S., Schedules of Special Census of Indians, 1880
Original sources: Schedules of Special Census of Indians, 1880. Microfilm publication M1791, 5 rolls. Records of the Bureau of the Census, 1790-2007, Record Group 29. National Archives and Records Administration, Washington, D.C. Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription. Free articles and helpful research materials.