Title: Kharalan i Ladin Popovi i "Slavi︠a︡nskata religiozna misii︠a︡"
Subjects: Clergy, Biography, Communism and religion, Pentecostalism, History
Places: Bulgaria
People: Haralan Popoff (1907-1988), Ladin Popov (1915-1977)
Time periods: 20th century