Columbia subject headings:
Armenian Church--Clergy--Correspondence.
Artists, Armenian--Correspondence.
Expatriate artists--Italy--Correspondence.
Hovhannēs Patkerahan, 1695-1758.
Harvard subject headings:
Armenian Church--Clergy--Correspondence.
Artists, Armenian--Correspondence.
Expatriate artists--Italy--Correspondence.
Hovhannēs, Patkerahan, 1695-1758.
Princeton subject headings: