Columbia subject headings:
Belarus--Church history--16th century.
Orthodox Eastern Church--Belarus--History--16th century.
Orthodox Eastern Church--Ukraine--History--16th century.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--16th century.
Ukraine--Church history--16th century.
Harvard subject headings:
Belarus--Church history--16th century.
Orthodox Eastern Church--Belarus--History--16th century.
Orthodox Eastern Church--Ukraine--History--16th century.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--16th century.
Ukraine--Church history--16th century.
Princeton subject headings:
Europe--History--1517-1648.
Poland--Church history.
Reformation--Poland.
Russia--Church history.