Ask ISL

The National Archives has a webpage that focuses on the Dawes Rolls here:

https://www.archives.gov/research/native-americans/dawes/tutorial/intro.html

It also has details about accessing American Indian records. See the left column at the bottom.

Family Search has a webpage dedicated to United States Special Inquiries Relating to Indians, other than the Dawes Rolls:

https://www.familysearch.org/en/wiki/United_States_Special_Inquiries_Relating_to_Indians

One of the things mentioned here are the Census Bureau's Censuses of American Indians, detailed on the Census Bureau's website here: https://www.census.gov/history/www/genealogy/decennial_census_records/censuses_of_american_indians.html

The 1950 Census records were released in April 2022, and with them, Form P8, the Indian Reservation Schedule, is the most recent schedule available:

https://historyhub.history.gov/community/genealogy/census-records/blog/2021/09/01/1950-census-form-p8-indian-reservation-schedule

For State Library materials on the history of Miami Indians in Indiana, you can view our resource list here:

https://www.in.gov/library/collections-and-services/indiana/subject-guides-to-indiana-collection-materials/miami-indians-resources/

and here: https://www.in.gov/library/collections-and-services/reference/state-library-research-guides/native-american-history-and-genealogy-resources/

The Indiana Historical Bureau has several markers on Native American/American Indian topics. You can contact the Bureau for more information on the research behind applying for these particular markers.

https://www.in.gov/history/state-historical-markers/find-a-marker/find-historical-markers-by-category/american-indian-historical-markers/