Severnoe siyanie: Ezhemesyachnyy zhurnal dlya detey. Vypuski #7–9, iyul–sentyabr. Peterburg: Gosudarstvennoe izd-vo, 1919 g. /Northern Lights: Monthly magazine for children. Issues # 7-9, July-September. St. Petersburg: State Publishing House, 1919. - landofmagazines.com

TransliterationSevernoe siyanie: Ezhemesyachnyy zhurnal dlya detey. Vypuski #7–9, iyul–sentyabr. Peterburg: Gosudarstvennoe izd-vo, 1919 g.

In EnglishNorthern Lights: Monthly magazine for children. Issues # 7-9, July-September. St. Petersburg: State Publishing House, 1919.

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