Title: Sʺezd podgotovki Velikogo Oktiabria
Subjects: Sʺezd RSDRP(b) (6th : 1917 : Petrograd, R.S.F.S.R.) (uri) http://id.loc.gov/authorities/names/n85256714 (uri) http://viaf.org/viaf/sourceID/LC|n85256714