Zoology I : mammals - Degerbol, Magnus, 1895- s; Freuchen, Peter, 1886-1957. (New York : AMS Press, 1976)
Reprint of the 1935 ed. published under title: Mammals, by Gyldendal, Copenhagen, which was issued as v. 2, no. 4-5 of Report of the fifth Thule Expedition 1921-24.
p. 66-67.
Keywords: Mammals -- Canada, Northern; Mammals -- Arctic regions