Title: The 30th anniversary of the victory of the socialist revolution in Bulgaria
First published: 1974
Subjects: Bŭlgarska komunisticheska partii︠a︡, Economic conditions, Social conditions, Bŭlgarska Komunisticheska partii︠a︡
Places: Bulgaria
Time periods: 1944-1989
LC classification: HC407.B9 Z476