John G. Woods: Snow Wars: An illustrated history of Rogers Pass Glacier National Park, B.C. The National and Provincial Parks Association of Canada, 2. Auflage 1985, ISBN 978-0-920570-08-1, S. 2–5 (PDF).
John G. Woods: Snow Wars: An illustrated history of Rogers Pass Glacier National Park, B.C. The National and Provincial Parks Association of Canada, 2. Auflage 1985, ISBN 978-0-920570-08-1, S. 30–37 (PDF).