Excerpt: A generally accurate appraisal of Western films might claim that Indians as hostiles are grouped into one undifferentiated mass. Popular hostile groups include the Sioux (without much differentiation between tribes or bands, the Apaches, and the Comanches).
Hall, Kenneth Estes. (true). 2012. Apaches and Comanches on Screen. Studies in the Western. Vol.20 27-41. http://www.westernforschungszentrum.de/