Title: Na kakikh osnovanīi︠a︡kh vozmozhno soedinenīe pravoslavnoĭ, katolicheskoĭ i protestantskoĭ t︠s︡erkveĭ?
Subjects: Christian union, History, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ
Places: Soviet Union
Time periods: 1917-1936