Nezlamna syla prletars'koï solidarnosti.
Series: Tovarystvo "Znannia" Ukrains'koï RSR.  [Vydannia] Seriia 3, no. 11
Publisher: Tov. "Znannia" Ukr. RSR
Published: 1967
Place of publication: Kyïv
Language: ukr
Number of pages: 46
Subjects: Russia -- History -- Revolution, 1917-; Russia -- Relations (general) with foreign countries