Treaty 6 group says it will intervene in courts after judge OKs Alberta separation question review CTV NewsJudge to proceed with review of Alberta separation question CBCCourt ruling has no effect on Alberta Prosperity Project, according to CEO Mitch Sylvestre Calgary HeraldAlberta separatist group suffers setback after judge orders review of referendum question Toronto StarVideo: Judge to go ahead with review of proposed Alberta referendum question The Globe and Mail