Mark Fleming «Churchill: Polar Bear Capital of the World». Hyperion Press, 1988, p. 78 [Consulta: 9 gener 2017]. «At least ships are in safe hands once they arrive at the Port of Churchill. The George Kidd and the larger H. M. Wilson are the 2 tugboats that assist the oceangoing vessels in docking.»Arxivat 2013-08-18 a Wayback Machine. «Còpia arxivada». Arxivat de l'original el 2013-08-18. [Consulta: 10 novembre 2017].
Mark Fleming «Churchill: Polar Bear Capital of the World». Hyperion Press, 1988, p. 78 [Consulta: 9 gener 2017]. «At least ships are in safe hands once they arrive at the Port of Churchill. The George Kidd and the larger H. M. Wilson are the 2 tugboats that assist the oceangoing vessels in docking.»Arxivat 2013-08-18 a Wayback Machine. «Còpia arxivada». Arxivat de l'original el 2013-08-18. [Consulta: 10 novembre 2017].