Title: Operat︠s︡ii︠a︡ "Maraton"
Subjects: History, Secret service, Bulgarian Espionage, Bulgaria, Politics and government, Bulgaria. Dŭrzhavna sigurnost, Zografski manastir (Athos, Greece)
Places: Bulgaria
People: Paisiĭ Khilendarski, Hieromonk (1722-1773)
Time periods: 20th century, 1944-1990