Okamoto, ShiroÌ books & textbook
Naze doru hon'isei wa owaranai noka
Tokuya Okamoto; Shirō Yōji
Tōkyō : Bunshindō, 2011. /2011-09-01 Tankobon Hardcover
isbn-10: 4830947144 / isbn-13: 9784830947148
Atarimae dakedo nakanaka dekinai shūkyaku no rūru
Tōkyō : Asuka Shuppansha, 2007. /2007-09-01 Tankobon Softcover
isbn-10: 4756911153 / isbn-13: 9784756911155
Nihon kirisutokyō shakai fukushi no rekishi
Shirō Abe; Eiichi Okamoto; Nihon Kirisutokyō Shakai Fukushi Gakkai.
Kyōto : Minerubashobō, 2014. /2014-06-01 Tankobon Hardcover
isbn-10: 4623059553 / isbn-13: 9784623059553
Tanoshiku kasegu hon
Takashi Higaki; Shirō Okamoto
Tōkyō : Daiwashobō, 2010. /2010-08-01 Paperback Bunko
isbn-10: 4479303006 / isbn-13: 9784479303008
