• 2 Memorial Library

• 3 History
• 1 Bŭlgarska pravoslavna t︠s︡ŭrkva
• 1 Church Slavic language
• 1 Church Slavic literature

• 1 Fondat͡sii͡a "Bŭlgarsko istorichesko nasledstvo."
• 1 Institut za istorii︠a︡ (Bŭlgarska akademii︠a︡ na naukite)
• 1 International Congress of Balkan and Southeast European Studies
• 1 International Congress of Historical Sciences
• 1 International Congress of Slavists
• 1 T︠S︡entŭr za bŭlgaristika (Bŭlgarska akademii︠a︡ na naukite)

• 3 English
• 3 German
• 2 Bulgarian
• 2 Russian

• 1 Balkan Peninsula

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