(EN) D.E. Wilson e D.M. Reeder, Canis lupus ligoni, in Mammal Species of the World. A Taxonomic and Geographic Reference, 3ª ed., Johns Hopkins University Press, 2005, 575–577, ISBN0-8018-8221-4.
Person, D.K. (Univ. Alaska); Kirchhoff, M. (ADF&G); van Ballenberghe, V. (USFS-FSL); Iverson, G.C. (USFS); Grossman, E. (USF&WS). 1996. "The Alexander Archipelago Wolf: A Conservation Assessment,". URL consultato il 22 maggio 2018 (archiviato dall'url originale il 7 aprile 2014). Gen. Tech. Rep. PNW-GTR-384. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station.