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1Petrograd : Petr. komit. Rossīĭskoĭ kommunistich. partīi (bolʹshevikov),v. : ill.
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2Petrograd : Petr. komit. Rossīĭskoĭ kommunistich. partīi (bolʹshevikov),v. : ill. ; 59 cm.Also available on microfilm from Bell & Howell and Research Publications.