(原始内容存档于2020-09-21). Austin, Peter K. Peter K Austin's top 10 endangered languages. The Guardian. 17 August 2008 [2020-01-21]. (原始内容存档于2021-04-12). Coutts, Rob. The Truth
Airport(英语:Coronach/Scobey Border Station Airport)、亞伯達省和蒙大拿州的Coutts/Ross International Airport(英语:Coutts/Ross International Airport)、以及华盛顿州和不列颠哥伦比亚的Avey Field