Contains diaries, newspaper clippings, correspondence, orders and directives, scrapbooks, reports, photographs and manuscripts related to Stefanson's involvement in the Anglo-American Polar Expedition (1906-1907), the Stefansson-Anderson Expedition (1908-1912), the Canadian Arctic Expedition (1913-1918) and he Wrangel Island Expedition (1921-1923). Manuscripts for "The Adventure of Wrangel Island," are also included.