Columbia subject headings:
Leo, Metropolitan of Synada, 937-approximately 1003.
Orthodox Eastern Church--Turkey--Bishops--Correspondence.
Harvard subject headings:
Leo, Metropolitan of Synada, 937-approximately 1003.
Orthodox Eastern Church--Turkey--Bishops--Correspondence.
Princeton subject headings:
Leo, Metropolitan of Synada, 937-approximately 1003.
Orthodox Eastern Church--Turkey--Bishops--Correspondence.