Columbia subject headings:
Harvard subject headings:
Daimyo--Biography.
Japan--History--Period of civil wars, 1480-1603.
Takeda, Katsuyori, 1546-1582.
Takeda, Shingen, 1521-1573.
Princeton subject headings:
Japan--History--Period of civil wars, 1480-1603--Sources.
Takeda, Katsuyori, 1546-1582--Archives.
Takeda, Shingen, 1521-1573--Archives.