Columbia subject headings:
Harvard subject headings:
Christian union--Orthodox Eastern Church
Kritopoulos, Metrophanes, 1589-1639.
Orthodox Eastern Church--Clergy--Biography.
Orthodox Eastern Church--Relations.
Patriarchs and patriarchate--Egypt--Alexandria--Biography.
Princeton subject headings:
Catholic Church--Relations--Orthodox Eastern Church--History.
Kritopoulos, Metrophanes, 1589-1639.
Orthodox Eastern Church--Clergy--Biography.
Orthodox Eastern Church--Relations--Catholic Church--History.
Orthodox Eastern Church--Relations--Protestant churches--History.
Protestant churches--Relations--Orthodox Eastern Church--History.