Native Americans as slaveholders
Native Americans as slaveholders: How Native American Slaveholders Complicate the Trail of Tears Narrative
https://www.smithsonianmag.com/smithsonian-institution/how-native-american-slaveholders-complicate-trail-tears-narrative-180968339/
Inseparable Separations: Slavery and Indian Removal
Discusses indigenous participation in chattel slavery
https://www.learningforjustice.org/podcasts/teaching-hard-history/american-slavery/inseparable-separations-slavery-and-indian-removal