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translation: Pushkin studies in Mikhailovskoye - Issue 64: "Days of dark storms, days of bitter temptation". The culture in the era of turmoil of the XXth century. Materials of the XVIIth research and museum readings in memory of S.Geychenko (February 13 - 16, 2014) and publications prepared on the basis of researches of Mikhaylovskoye Museum Reserve staff. Collected articles (Issue 64)