Title: Bernt Balchen papers
Subjects: Transatlantic flights, Norske luftfartselskap, Josephine Ford (Trimotor), United States, Aerial operations, World War, 1939-1945, Air bases, United States. Army Air Forces, United States. Army. Air Corps, Underground movements, Discovery and exploration
Places: Antarctica, Greenland, Norway
People: Richard Evelyn Byrd (1888-1957), Lincoln Ellsworth (1880-1951)