It very much depends on the historian. While you wait for a more comprehensive answer to your question, you may be interested in these older posts about indigenous sources and an indigenous approach to doing history:

https://www.reddit.com/r/AskHistorians/comments/5tu3ph/monday_methods_an_indigenous_approach_to_history/

https://www.reddit.com/r/AskHistorians/comments/8jf834/monday_methods_indigenous_sources_reconciling/