Title: Professionalʹnye soi︠u︡zy promyshlennykh predprii︠a︡tiĭ T︠S︡entralʹnogo Chernozemʹi︠a︡
Subjects: Labor unions, History
Places: Soviet Union, Russia (Federation), Kurskai︠a︡ gubernii︠a︡, Voronezhskai︠a︡ gubernii︠a︡, Kurskai︠a︡ gubernii︠a︡ (R.S.F.S.R.), Voronezhskai︠a︡ gubernii︠a︡ (R.S.F.S.R.)