Title: Naengjŏn sigi Pulgaria sojae Hanbando kwallyŏn charyo
Subjects: Archives, Sources, Foreign relations, Politics and government, Pictorial works, Diplomatic relations, Bulgaria. Dŭrzhavna agent︠s︡ii︠a︡ "Arkhivi", Bulgaria
Places: Korea (North), Bulgaria, Korea (South)
Time periods: 1948-1994, 1948-1960