Columbia subject headings:
Crowns--History.
Crowns--Korea--History.
Goldwork--Korea--History--To 935.
Harvard subject headings:
Crowns--History.
Crowns--Korea--History.
Goldwork--Korea--History--To 935.
Princeton subject headings:
Crowns--Korea--History.
Headgear--Korea--History.
Korea--Civilization--To 935.