Title: Vynnychenko ĭ ukraïnsʹka sot︠s︡ial-demokratii︠a︡
Subjects: Sources, Socialism, Ukraïnsʹka sot︠s︡ii︠a︡l-demokratychna robitnycha partii︠a︡, History
Places: Ukraine
People: Volodymyr Kyrylovych Vynnychenko (1880-1951)