Columbia subject headings:
Harvard subject headings:
Christian martyrs--Turkey--İzmit--Biography.
Christian saints--Cult--Europe, Western--History--Sources.
Christian saints--Turkey--İzmit--Biography.
Gorgonius, Saint, -304--Miracles.
Gorgonius, Saint, -304.
Miracles.
Princeton subject headings:
Christian martyrs--Turkey--İzmit--Biography.
Christian saints--Cult--Europe, Western--History--Sources.
Christian saints--Turkey--İzmit--Biography.
Gorgonius, Saint, -304--Miracles.
Gorgonius, Saint, -304.
Miracles.