Andrews, Thomas G (2002). “Turning the Tables on Assimilation: Oglala Lakotas and the Pine Ridge Day Schools 1889–1920s”. 《Western Historical Quarterly》 33 (4): 407–430. doi:10.2307/4144766. JSTOR4144766.
jstor.org
Andrews, Thomas G (2002). “Turning the Tables on Assimilation: Oglala Lakotas and the Pine Ridge Day Schools 1889–1920s”. 《Western Historical Quarterly》 33 (4): 407–430. doi:10.2307/4144766. JSTOR4144766.