Title: Opisanie dokumentalʹnykh istochnikov po istorii russko-bolgarskikh svi︠a︡zeĭ za 1850e - 1870e gody v rukopisnykh fondakh Gosudarstvennoĭ publichnoĭ biblioteki im. M.E. Saltykova-Shchedrina
Subjects: Catalogs, Foreign relations, Sources, Bibliography, Gosudarstvennai︠a︡ publichnai︠a︡ biblioteka imeni M.E. Saltykova-Shchedrina
Places: Soviet Union, Bulgaria