Zoology I : mammals /
by Magnus Degerbol and Peter Freuchen.
- New York : AMS Press, 1976.
- 278 p., 1 fold. leaf of plates : ill. ; 24 cm.
- Reports of the mammals collected by the fifth thule expedition to arctic north america ; vol. II-nos. 4-5. .
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.