ISBN 9784883255269 books & textbook
Sengoku bushō to shiro : Owada Tetsuo Sensei koki kinen ronshū
Tetsuo Owada; Owada Tetsuo Sensei Koki Kinen Ronshū Kankōkai,
Hikone-shi : Sanraizu Shuppan, Heisei 26 [2014] /2014-03-01 Tankobon Hardcover
isbn-10: 4883255263 / isbn-13: 9784883255269