Carder 2005, p. 14. - Carder, Al (2005). "Remarkable trees of British Columbia and the Pacific Northwest". Giant Trees of Western America and the World. Madeira Park, British Columbia: Harbour Publishing. ISBN 978-1-55017-363-5.
Draycott, Walter (1978). Early Days in Lynn Valley. North Shore Times. p. 29. ISBN 9780968322116. 9780968322116
Van Pelt 2001, p. 128. - Van Pelt, Robert (2001), Forest giants of the Pacific Coast, Vancouver, San Francisco, Seattle: Global Forest Society in association with University of Washington Press, OCLC 45300299 https://search.worldcat.org/oclc/45300299
Draycott, Walter (1978). Early Days in Lynn Valley. North Shore Times. p. 29. ISBN 9780968322116. 9780968322116
Report on the Big Trees of California, US Forest Service, 1900
Carder 2005, p. 136 (chart 1: world's ten tallest trees ever measured). - Carder, Al (2005). "Remarkable trees of British Columbia and the Pacific Northwest". Giant Trees of Western America and the World. Madeira Park, British Columbia: Harbour Publishing. ISBN 978-1-55017-363-5.
"Giant logged long ago but not forgotten", The Seattle Times, September 4, 2011 https://www.seattletimes.com/life/giant-logged-long-ago-but-not-forgotten/
Wolchover, Natalie (2011-06-17). "How Tall Can Trees Grow?". livescience.com. Retrieved 2024-06-15. https://www.livescience.com/14667-tall-trees-grow.html
Kinver, Mark (August 13, 2008). "Water's the limit for tall trees". BBC News. http://news.bbc.co.uk/2/hi/science/nature/7556065.stm
"Douglas-fir: A 350-foot-long Drinking Straw is As Long As It Gets". Oregon State University. August 11, 2008. Archived from the original on October 8, 2008. https://web.archive.org/web/20081008140507/http://oregonstate.edu/dept/ncs/newsarch/2008/Aug08/douglasfir.html
The Wild Trees, Preston 2007