Columbia subject headings:
Armor--Japan--Nagano-ken--History.
Nagano-ken (Japan)--History, Military.
Swords--Japan--Nagano-ken--History.
Harvard subject headings:
Princeton subject headings:
Armor--Japan--Nagano-ken--History.
Nagano-ken (Japan)--History, Military.
Swords--Japan--Nagano-ken--History.