Columbia subject headings:
Harvard subject headings:
Ceremonial exchange--Pontus.
Ceremonial exchange.
Gifts--Pontus.
Gifts.
Greeks--Pontus--Social life and customs.
Greeks--Social life and customs.
Pontus--Social life and customs.
Rites and ceremonies--History.
Princeton subject headings:
Ceremonial exchange--Pontus.
Gifts--Pontus.
Greeks--Pontus--Social life and customs.
Pontus--Social life and customs.
Rites and ceremonies--Pontus--History.