Title: Papaninskai︠a︡ chetvërka
Subjects: Explorers, Biography, Dreĭfui͡ushchai͡a stant͡sii͡a "Severnyĭ poli͡us.", Ėkspedit͡sii͡a "Severnyĭ poli͡us" (1937)
Places: Soviet Union
People: Ivan Dmitrievich Papanin (1894-1986)