Title: Vsemirnyĭ prazdnik solidarnosti trudi︠a︡shchikhsi︠a︡
Subtitle: tradit︠s︡ii i sovremennostʹ : k 100-letii︠u︡ Pervomai︠a︡ : nauchno-analiticheskiĭ obzor
Subjects: May Day (Labor holiday)