Title: Sluchaĭ letchika Levanevskogo
Subjects: Air pilots, Endurance flights, Russian, Aerial exploration, Transcontinental flights, Biography
Places: Poland, Arctic regions, Soviet Union
People: Jan Nagórski (1888-1976), Sigizmund Aleksandrovich Levanevskiĭ (1902-1937)
Time periods: 20th century