The revolution betrayed : what is the Soviet Union and where is it going? 2026-02-15T22:59:07+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Trotsky, Leon, 1879-1940 (Doubleday, Doran & Co., 1937)