Columbia subject headings:
Slobidska Ukraine (Ukraine and Russia)--Ethnic relations.
Slobidska Ukraine (Ukraine and Russia)--Social conditions.
Social problems--Slobidska Ukraine (Ukraine and Russia)
Harvard subject headings:
Russia--Relations--Ukraine.
Slobidska Ukraine (Ukraine and Russia)--Ethnic relations.
Slobidska Ukraine (Ukraine and Russia)--History.
Ukraine--Relations--Russia.
Princeton subject headings: