Columbia subject headings:
Christian martyrs--Middle East--Sermons.
Christian martyrs--Turkey--Sermons.
Sermons, Greek.
Harvard subject headings:
Christian martyrs--Middle East--Sermons.
Christian martyrs--Turkey--Sermons.
Sermons, Greek.
Princeton subject headings:
Christian martyrs--Middle East--Sermons.
Christian martyrs--Turkey--Sermons.
Sermons, Greek.
Sermons.