Kōyō gunkan
By: [den Kōsaka Masanobu tō cho] ; kōchū Isogai Masayoshi, Hattori Harunori ; kanshū Nakamura Kōya [tō]
Series: Sengoku shiryō sōsho. Dai 1-ki -- 3-5; Sengoku shiryō sōsho -- 3-5.
Publisher: Jinbutsu Ōraisha
Published: 1965
Place of publication: Tōkyō
Language: jpn
Subjects: Military art and science; Military History; Sources; History