Columbia subject headings:
Catholic Church--Belarus--History.
Catholic Church--Relations--Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ.
Catholic Church--Ukraine--History.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Relations--Catholic Church.
Harvard subject headings:
Catholic Church--Belarus--History.
Catholic Church--Byzantine rite--Belarus--History--18th century.
Catholic Church--Byzantine rite--Ukraine--History--18th century.
Catholic Church--Relations--Orthodox Eastern Church, Russian.
Catholic Church--Relations--Russkai͡a pravoslavnai͡a t͡serkovʹ--History--18th century.
Catholic Church--Ukraine--History.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Relations--Catholic Church--History--18th century.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Relations--Catholic Church.
Princeton subject headings:
Catholic Church--Belarus--History.
Catholic Church--Relations--Orthodox Eastern Church, Russian.
Catholic Church--Ukraine--History.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--Relations--Catholic Church.