Title: Tvorcheskii͡at fond pred novi zadachi, 1976-1979
Subjects: Congresses, Sŭi︠u︡z na bŭlgarskite khudozhnit︠s︡i, Sŭi︠u︡z na bŭlgarskite khudozhnit︠s︡i. Tvorcheski fond