Columbia subject headings:
Helmets--Japan--History--Edo period, 1600-1868--Exhibitions.
Helmets--Japan--History--Kamakura-Momoyama periods, 1185-1600--Exhibitions.
Harvard subject headings:
Helmets--Japan--History--Edo period, 1600-1868--Exhibitions.
Helmets--Japan--History--Kamakura-Momoyama periods, 1185-1600--Exhibitions.
Princeton subject headings:
Helmets--Japan--History--Edo period, 1600-1868--Exhibitions.
Helmets--Japan--History--Kamakura-Momoyama periods, 1185-1600--Exhibitions.