Title: Chetvertyĭ Velykyĭ zbir Orhanizat︠s︡iï ukraïnsʹkykh nat︠s︡ionalistiv (OUN)
Subjects: Congresses, Nationalism, Politics and government, Orhanizat︠s︡ii︠a︡ ukraïnsʹkykh nat︠s︡ionalistiv
Places: Ukraine