Analysis of information sources in references of the Wikipedia article "Derussification" in English language version.
Elsewhere in the USSR, the late 1930s and the outbreak of World War II also saw some significant changes: elements of korenizatsiya were phased out... the Russians were officially anointed as the 'elder brothers' of the Soviet family of nations, whilst among historians Tsarist imperialism was rehabilitated as having had a 'progressive significance'