Columbia subject headings:
Harvard subject headings:
Canon law--Orthodox Eastern Church.
Orthodox Eastern Church--Russia--History--17th century.
Orthodox Eastern Church--Soviet Union--History--17th century.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--17th century.
Princeton subject headings:
Canon law--Orthodox Eastern Church.
Orthodox Eastern Church--Russia--History--17th century.
Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ--History--17th century.