Contains correspondence, diaries, lecture notes, newspaper clippings, report, photographs and manuscripts related to his professional life and his anthropological work regarding "Blond Eskimos." Manuscripts included are for published and unpublished books and articles. Published books include "My Life with the Eskimo," (1913), "The Friendly Arctic," (1921), "Hunters of the Great North," (1922), "The Northward Course of Empire," (1922).