Who was Charles Eastman? Be sure to include attitudes in both American Indian and white cultures toward Eastman. What do you think of Eastman (back it up with sources)?
http://www.usdakotawar.org/history/ohiyesa-charles-eastman
http://brianaltonenmph.com/6-medical-anthropology/charles-eastman/charles-eastman-ohiyesa-brief-biography/
http://college.cengage.com/english/lauter/heath/4e/students/author_pages/late_nineteenth/eastmansioux_ch.html