Ancestry.com. Oklahoma and Indian Territory, U.S., Indian Censuses and Rolls, 1851-1959 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2014.Original data:
Selected Tribal Records. The National Archives at Fort Worth, Fort Worth, Texas.
A full list of sources can be found here.
About Oklahoma and Indian Territory, U.S., Indian Censuses and Rolls, 1851-1959
This collection includes a variety of tribal rolls, censuses, and other records created by the Bureau of Indian Affairs that are held at the National Archives at Fort Worth, Texas. Records in the collection relate to the Arapaho, Cherokee, Eastern Cherokee, Cheyenne, Chickasaw, Choctaw, Creek, Delaware, Kickapoo, Miami, Muskogee, Osage, Potawatomi, Sac and Fox, Seminole, and Shawnee tribes.