Cardini, A; O'Higgins, Paul (2004). "Patterns of morphological evolution in Marmota (Rodentia, Sciuridae): geometric morphometrics of the cranium in the context of marmot phylogeny, ecology, and conservation". Biological Journal of the Linnean Society. 82 (3): 385–407. doi:10.1111/j.1095-8312.2004.00367.x. S2CID83837961.
The American Historical Review. "The Four Black Deaths", December 17, 2020. Accessed March 27, 2010.
paleobiodb.org
Paleobiology Database. "Marmota minor". Retrieved 30 April 2017.
semanticscholar.org
api.semanticscholar.org
Cardini, A; O'Higgins, Paul (2004). "Patterns of morphological evolution in Marmota (Rodentia, Sciuridae): geometric morphometrics of the cranium in the context of marmot phylogeny, ecology, and conservation". Biological Journal of the Linnean Society. 82 (3): 385–407. doi:10.1111/j.1095-8312.2004.00367.x. S2CID83837961.