Tolong jelaskan mengenai Catatan dari Otto Schmidt

Aleksey E. Levin, Stephen G. Brush The Origin of the Solar System: Soviet Research 1925–1991. AIP Press, 1995.

Brontman, L.K. On top of the world: the Soviet expedition to the North pole, 1937–1938, New York, 1938.

McCannon, John. Red Arctic: Polar Exploration and the Myth of the North in the Soviet Union, 1932–1939. New York: Oxford University Press, 1998.

Otto Iul'evich Shmidt: Zhizn' i deiatel'nost'. Moscow: Nauka, 1959.