Columbia subject headings:
Lucaris, Cyril, 1572-1638.
Orthodox Eastern Church--Relations--Protestant churches.
Patriarchs and patriarchate--Byzantine Empire--History.
Protestant churches--Relations--Orthodox Eastern Church.
Harvard subject headings:
Lucaris, Cyril, 1572-1638
Orthodox Eastern Church--Relations--Protestant churches.
Patriarchs and patriarchate--Byzantine Empire--History.
Protestant churches--Relations--Orthodox Eastern Church.
Princeton subject headings: