Columbia subject headings:
Harvard subject headings:
Orthodox Eastern Church--Mediterranean Region--History--16th century--Congresses.
Orthodox Eastern Church--Mediterranean Region--History--17th century--Congresses.
Severus, Gabriel, approximately 1540-1616--Congresses.
Princeton subject headings:
Orthodox Eastern Church--Mediterranean Region--History--16th century--Congresses.
Orthodox Eastern Church--Mediterranean Region--History--17th century--Congresses.
Seviros, Gavriil, 16th cent.--Congresses.