Kammala jumla mai zuwa: An haramta ayyukan masana tarihi da yawa na Yammacin Turai ko kuma an hana su, an kuma haramta fannoni da yawa na tarihi don bincike kamar yadda, a hukumance, ba su taɓa faruwa ba. Sau da yawa ana fassara fassarar tarihin kasashen waje a cikin wani nau'i mai mahimmanci, tare da ƙididdiga mai zurfi da kuma gyaran kafa. 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,
Harkokin Soviet na Bessarabia da Arewacin Bukovina, taimakon Yammacin Allied zuwa Tarayyar Soviet a lokacin yakin, da yawa daga cikin kokarin da sauran kasashen Yammacin Turai suka yi, da kuskuren da shugabannin Soviet suka yi, da sukar Soviet Union da sauran abubuwan da aka yi.