• 3 Memorial Library

• 3 Journals, Magazines, Newspapers

• 1 Bŭlgarska pravoslavna t︠s︡ŭrkva
• 1 Church Slavic language
• 1 Church Slavic literature
• 1 Civilization
• 1 Slavs, Southern

• 1 Edinen t︠s︡entŭr za nauka i podgotovka na kadri po istorii︠a︡
• 1 Institut za balkanistika (Bŭlgarska akademii︠a︡ na naukite)
• 1 Institut za istorii︠a︡ (Bŭlgarska akademii︠a︡ na naukite)
• 1 Kharkivsʹkyĭ nat︠s︡ionalʹnyĭ universytet im. V.N. Karazina. T︠S︡entr bolharystyky ta balkansʹkykh doslidz︠h︡enʹ im. Maryna Drynova
• 1 T︠S︡entŭr za bŭlgaristika (Bŭlgarska akademii︠a︡ na naukite)

• 2 Bulgarian
• 2 English
• 2 French
• 2 German
• 1 Multiple languages
• 1 Ukrainian

• 1 Balkan Peninsula
• 1 Europe, Eastern

Limit year range