Interview: Big Bear p. 13-32 from Saskatchewan Indians and the Resistance of 1885: Two Case Studies by Blair Stonechild (Online PDF)

Indian name: Mistahimaskwa

Here are some short writeups of the life of Big Bear:

http://www.historytelevision.ca/chiefs/htmlen/cree/sp_bigbear.asp

http://library.usask.ca/northwest/background/bear.htm

http://www.geocities.com/SoHo/Atrium/4832/bear.html