"1930-1939" . . "Arctic regions." . . "Arctic regions" . "Arctic Regions." . "socialisme" . . "planøkonomi" . . "Transsibirische Eisenbahn." . . "Russia (Federation)" . . "Sowjetunion" . . "Siberia (Russia)" . . . . . . . . . . . "Forty thousand against the Arctic: Russia's Polar empire ... [With plates, including portraits, and maps.]"@en . "Forty Thousand Against the Arctic Russia's Polar Empire" . . . . . . "Forty thousand against the Arctic Russia's polar empire"@en . . . . "Forty thousand against the Arctic : Russia's Polar empire"@pl . . . . "40,000 against the Arctic"@en . . . "Journalist's account of a trip in 1935 to report on Soviet efforts in developing arctic region."@en . . . . . . . . . . "Forty Thousand against the Arctic" . . "Forty thousand against the Artic : Russias Polar Empire" . . . . . "Na sovjetskem severu"@sl . . "Forty thousand against the Arctic : Russia's polar empire" . "Forty thousand against the Arctic : Russia's polar empire"@en . . "40000 gegen die Arktis : Neuland im Polareis" . . . . . . . . "40 000 gegen die Arktis; Neuland im Polareis" . . . . . . . . . . . "Forty thousand against the Arctic"@en . "Forty thousand against the Arctic" . . . . "Arctica." . . "ARCTIC REGIONS." . . "Arktyka" . . "Sovjetunionen" . . "Sibirien (Nord)" . . "Régions polaires." . . "Régions polaires" . "Landelijke documentatie." . . . . "indenrigspolitik" . . "Siberia" . . "Syberia (Rosja)" . . "Sibirien" . . "Sibérie (Russie)" . . "historie" . . "økonomisk udvikling" . . "Travel." . .