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McAdam, Andrew G.; Boutin, Stan; Sykes, Ainsley K.; Humphries, Murray M. (2007). "Life histories of female red squirrels and their contributions to population growth and lifetime fitness". Écoscience. 14 (3): 362. doi:10.2980/1195-6860(2007)14[362:LHOFRS]2.0.CO;2. S2CID86378466.
Goheen, Jacob R.; Swihart, Robert K.; Robins, James H. (2003). "The anatomy of a range expansion: Changes in cranial morphology and rates of energy extraction for North American red squirrels from different latitudes". Oikos. 102 (1): 33–44. Bibcode:2003Oikos.102...33G. doi:10.1034/j.1600-0706.2003.12407.x.
Layne, James N. (1954). "The biology of the red squirrel Tamiasciurus hudsonicus loquax in central New York". Ecological Monographs. 24 (3): 227–268. doi:10.2307/1948465. JSTOR1948465.
Lair, H. (1985). "Length of gestation in the red squirrel, Tamiasciurus hudsonicus". Journal of Mammalogy. 66 (4): 809–810. doi:10.2307/1380818. JSTOR1380818.
McAdam, Andrew G.; Boutin, Stan; Sykes, Ainsley K.; Humphries, Murray M. (2007). "Life histories of female red squirrels and their contributions to population growth and lifetime fitness". Écoscience. 14 (3): 362. doi:10.2980/1195-6860(2007)14[362:LHOFRS]2.0.CO;2. S2CID86378466.
Thorington, R.W. Jr.; Hoffmann, R.S. (2005). "Family Sciuridae". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: a taxonomic and geographic reference (3rd ed.). The Johns Hopkins University Press. pp. 754–818. ISBN978-0-8018-8221-0. OCLC26158608.