1911 Encyclopædia Britannica, Volume 21… (1911)
“ Peary’s wife, the first white woman to accompany an Arctic expedition. After wintering in Inglefield Gulf on the north-west coast of Greenland, in the following spring Lieut. Peary, with a young Norwegian, Eivind Astrup, crossed the inland ice-cap along its northern limit to the north-east of Greenland and back. The practical geographical result of this journey was to establish the insularity of Greenland. ”
