Title: Uchastieto na mladezhta ot Varnenskii︠a︡ kraĭ v brigadirskoto dvizhenie, 1946-1950
Subjects: Okrŭzhen dŭrzhaven arkhiv, Youth, Sources, Labor service, Employment, History
Places: Varna, Varnenski okrŭg, Bulgaria
Time periods: 20th century