Columbia subject headings:
Armenia--History--To 428.
Armenian Church.
Gregory, the Illuminator, Saint, approximately 240-approximately 332.
Tiridates III, King of Armenia, approximately 250-approximately 330.
Harvard subject headings:
Armenia--History--To 428.
Armenian Church--History.
Christianity--Armenia.
Gregory, the Illuminator, Saint, approximately 240-approximately 332.
Princeton subject headings: