Kammala jumla mai zuwa: An haramta ayyukan masana tarihi na Yammacin Turai da yawa ko kuma an bincika su, kuma an hana yawancin fannonin tarihi bincike saboda, a hukumance, ba su taɓa faruwa ba. Saboda wannan dalili, tarihin tarihin Soviet ya kasance mafi yawa a waje da tarihin tarihin duniya na wannan lokacin. An fassara fassarar tarihin kasashen waje (idan a kowane lokaci) a cikin wani nau'i mai mahimmanci, tare da ƙididdiga mai yawa da kuma bayanan "gyara". Misali, a cikin fassarar Rasha ta 1976 na Basil Liddell Hart "Tarihin Yaƙin Duniya na Biyu" tsarkakewa kafin yakin basasa na jami'an Red Army, yarjejeniya ta sirri ga Yarjejeniyar Molotov-Ribbentrop, cikakkun bayanai da yawa game da Yakin hunturu, mamayar jihohin Baltic,
Soviet mamaye Bessarabia da Arewacin Bukovina, Allied taimako ga Tarayyar Soviet a lokacin yakin, da yawa sauran Yammacin Allies 'kokarin, Soviet shugabanci ta kuskure da kuma kasawa, sukar da Tarayyar Soviet da kuma sauran abun ciki da aka censored fita.