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Fries- Gaither, Jessica. "Life in the Tundra." Beyond Penguins and Polar Bears. Ohio State University. n.d. Web. 5 May 2014.
"Tundra Biomes." World Biomes. n.p. 30 October 2009. Web. 5 May 2014.
Buchanan, Jeremy. "Limiting Factors." Tundra. Blogger. 16 December 2011. Web. 7 May 2014.
"Biotic and Abiotic Factors on Tundra." Oil Drilling on the Tundra. Tripod. n.d. Web. 9 May 2014.
Farzin. "Human Impact on Tundra." Tundra Biome Project. The Life in Tundra. 4 Febuary 2012. Web. 10 May 2014.
Hope, Andrew G., Waltari, Eric, and others. "Future Distribution of Tundra Refugia in Northern Alaska." Nature Climate Change. Nature.com. 16 May 2013. Web. 11 May 2014.
"Tundra: Dry, Cold, and Windy." Environment : National Geographic. n.d. Web. 11 May 2014.
Alido, Jeffrey. "Jeffrey Alido's Beautiful Tundra." Glogster. 2012. Web. 21 May 2014.
"Biomes Numbers in the Taiga." Enuirosys and So. 27 August 2010 Web. 21 may 2014
Waugh. Zachary. " Arctic Wolf." Endangered Species Biomes Project. 2014. Web. 21 may 2014.
"Mr. G's Environmental Systems." Sciencebitz. 2014. Web. 21 May 2014.
"Ecosystems." S-cool: the Revision Website. 2014. Web. 21 May 2014.
Duckworth, Barbara. "B.C. Offers Bounty on Problem Wolves." The Western Producer. 16 June 2011. Web. 21 May 2014.
"Mangelsen: Images of Nature Stock Agency." N.P. N.D. Web. 21 May 2014