Wan Qing jiao yu zhi du xi hua de qian zou : gui mao xue zhi ban xing qian xi shi jiao yu de jie ru = The prelude of the westernization of education system in late Ch'ing China : the educational borrowing from the west before the enacting of Gui-Mao school system
Institut po istorii︠a︡ na Bŭlgarskata komunisticheska partii︠a︡ pri T︠S︡K na BKP. Institut po marksizŭm-leninizŭm pri T︠S︡K na KPSS ; [redakt︠s︡ionna kolegii︠a︡, D. Elazar ... et al. ; avtorski kolektiv, N. Belousov and others]
Vplyv Velykoho Z︠H︡ovtni︠a︡ na revoli︠u︡t︠s︡iĭni peretvorenni︠a︡ v sot︠s︡ialistychnykh kraïnakh I︠E︡vropy : dialektyka rozv'i︠a︡zanni︠a︡ demokratychnykh i sot︠s︡ialistychnykh zavdanʹ