-key-statistics/urban-areas-in-england-and-wales/index.html KS01 Usual resident population. Key Statistics for Settlements and Localities Scotland General
Gulag: The Lost World of Stalin's SpecialSettlements. Oxford: Oxford University Press. ISBN 9780195187694. OCLC 456302666. Weiner, Amir (2013). "The Empires
1931—1933 гг. Lynne Viola The Unknown Gulag. The Lost World of Stalin's SpecialSettlements Oxford University Press 2007, Soviet Repression Statistics: Some