風林火山 - Yasushi Inoue, 井上靖 - Google Books

http://books.google.de/books?id=yQ6DAObNdj4C&pg=PA25&lpg=PA25&dq=suwa+clan&source=bl&ots=IpFIJIAQPS&sig=au-ROBv6W2Pk2tj-sUa0lbPb

The Samurai Banner of Furin Kazan presents an accurate portrait of this era in Japanese history. Originally published in Japanese in 1959, this classic novel by Yasushi Inoue takes place during the Japanese Warring Era (1467-1573)—a time when a fractured…