Title: Istorii︠a︡ na mladezhkoto revoli︠u︡t︠s︡ionno dvizhenie v Bŭlgarii︠a︡
Subjects: Youth, Societies and clubs, History, Socialism and youth, Radicalism, Bŭlgarski komunisticheski mladezhki sŭi︠u︡z, Dimitrovski komunisticheski mladezhki sŭi︠u︡z, Rabotnicheski mladezhki sŭi︠u︡z (Bulgaria)
Places: Bulgaria