Danish author, ethnologist, and explorer (1872-1907). He was most notably an explorer of Greenland. He perished on his second expedition. ALS signed “L. Mylius-Erichsen,” one page both sides, 8.5 x 10.5, Danish Expedition to Greenland letterhead, January 15, 1906. Lengthy untranslated letter to an associate. In fine condition. R&R COA.