Columbia subject headings:
Harvard subject headings:
Japan--History--Period of civil wars, 1480-1603.
Kōsaka, Masanobu, 1527-1578. Kōyō gunkan.
Military art and science--Japan
Takeda, Shingen, 1521-1573.
Yamanashi-ken (Japan)--History, Military.
Princeton subject headings:
Military art and science--Early works to 1800.
Takeda, Shingen, 1521-1573.
Yamanashi-ken (Japan)--History, military.