Title: Ri︠a︡zanskai︠a︡ oblastʹ i t︠s︡entralʹnyĭ region v kontekste rossiĭskoĭ istorii
Subjects: Congresses, History
Places: Ri︠a︡zanskai︠a︡ oblastʹ (Russia), Ri︠a︡zanskai︠a︡ gubernii︠a︡ (R.S.F.S.R.)