Columbia subject headings:
Orthodox Eastern Church--History.
Orthodox Eastern Church--Relations--Protestant churches.
Protestant churches--Relations--Orthodox Eastern Church.
Protestantism--Historiography.
Harvard subject headings:
Orthodox Eastern Church--History.
Orthodox Eastern Church--Relations--Protestant churches.
Protestant churches--Relations--Orthodox Eastern Church.
Protestantism--Historiography.
Princeton subject headings:
Orthodox Eastern Church--History.
Orthodox Eastern Church--Relations--Protestant churches.
Protestant churches--Relations--Orthodox Eastern Church.
Protestantism--Historiography.