Ray, Patrick Henry (Lieut.). Report of the International Polar Expedition to Point Barrow, Alaska. Washington, Government Printing Office, 1885.

—— Report of Lieut. P. Henry Ray: Work at Point Barrow, Alaska, from September 16, 1881, to August 25, 1882. < Signal Service Notes, No. V, pp. 35-40. Washington, Office of the Chief Signal Officer, 1883.

Richardson, John (Sir.). Arctic searching expedition: A journal of a boat voyage through Rupert’s Land and the Arctic Sea, in search of the discovery ships under command of Sir John Franklin. 2 volumes. London, 1851.

—— Eskimos, their geographical distribution. < Edinburgh New Philosophical Journal, vol. 52, pp. 322-323. Edinburgh, 1852.

—— The polar regions. Edinburgh, 1861.

Rink, Henrik [Johan] (Dr.). Die dänische Expedition nach der Ostküste Grönlands, 1883-1885. < Deutsche geographische Blätter, vol. 8, pp. 341-353. Bremen, 1885.

—— Danish Greenland, its people and its products. London. 1877.

—— The Eskimo tribes. Their distribution and characteristics, especially in regard to language. Meddelelser om Grønland, vol. 11. Copenhagen, 1887.

—— Die Östgrönlander in ihrem Verhältnisse zu den übrigen Eskimostämmen. < Deutsche geographische Blätter, vol. 9, pp. 228-239. Bremen, 1886.

—— Østgrønlænderne i deres Forhold til Vestgrønlænderne og de øvrige Eskimostammer. < Geografisk Tidskrift, vol. 8, pp. 139-145. Copenhagen, 1886. (Nearly the same as the above.)