1. Anonymous Category of zone of confidence in data http://www.caris.com/s-57/attribut/catzoc.htm
2. Anonymous 2015 Harper Government takes action to enhance marine safety in the Arctic http://news.gc.ca/web/article-en.do?nid=1012079
3. Arctic Council 2009 Arctic marine shipping assessment 2009 report
4. Breton , D. 2015 Canadian Coast Guard services in the Arctic http://www.dal.ca/content/dam/dalhousie/pdf/cfps/nsps/Arctic%20presentations/CCG%20Presentation%20-%20Daniel%20Breton.pdf
5. Brigham , L. W. 2006 Arctic marine shipping assessment: The Arctic Council's response to changing marine access http://www.sname.org/HigherLogic/System/DownloadDocumentFile.ashx?DocumentFileKey=fa89496d-005d-4a24-b0a3-b40f9855b3a8