Title: Narody Povolzhʹi︠a︡ i borʹba i︠u︡zhnykh slavi︠a︡n za nat︠s︡ionalʹnoe osvobozhdenie 1875-1878 gg
Subjects: Sources, History, Eastern question (Balkan), Foreign relations, Russo-Turkish War, 1877-1878
Places: Russia, Balkan Peninsula, Volga River Valley (Russia), Bulgaria
Time periods: 19th century