Gasse, Rosanne (2013). “The Dry Tree Legend in Medieval Literature”. In Gusick, Barbara I.. Fifteenth-Century Studies 38. Camden House. pp. 65–96. ISBN978-1-57113-558-2. https://books.google.com/books?id=KNZGXEfXIOEC&pg=PA73. "Mandeville also includes a prophecy that when the Prince of the West conquers the Holy Land for Christianity, this tree will become green again, rather akin to the White Tree of Arnor [sic] in the Peter Jackson film version of The Lord of the Rings, if not in Tolkien's original novel, which sprouts new green leaves when Aragorn first arrives in Gondor at [sic, i.e. after] the Battle of the Pelennor Fields."
Ford, Judy Ann (2005). “The White City: The Lord of the Rings as an Early Medieval Myth of the Restoration of the Roman Empire”. Tolkien Studies2 (1): 53–73. doi:10.1353/tks.2005.0016. ISSN1547-3163.
Vaccaro, Christopher T. (August 2004). “'And one white tree': the cosmological cross and the arbor vitae in J.R.R. Tolkien's "The Lord of the Rings" and "The Silmarillion"”. Mallorn (42): 23–28. JSTOR45320503.
movie-locations.com
“Lord Of The Rings: The Return Of The King: 2003”. Movie Locations. 22 February 2021閲覧。 “Ben Ohau Station, in the Mackenzie Basin, in the Southern Alps, ... provided the ‘Pelennor Fields’, and the foothills of the ‘White Mountains’, for the climactic battle scenes”
Ford, Judy Ann (2005). “The White City: The Lord of the Rings as an Early Medieval Myth of the Restoration of the Roman Empire”. Tolkien Studies2 (1): 53–73. doi:10.1353/tks.2005.0016. ISSN1547-3163.