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Books about Hirotoshi:
Hirotoshi: Webster's Timeline History, 1941 - 2007 by Icon Group International (May 17, 2010)
Anatomy of a bankruptcy. (Manoa Finance) (includes separate articles with response by Hirotoshi Yamamoto and the... by Katy Yang (Jul 28, 2005)
EDGE of GUNDAM-Sano Hirotoshi Gundam Illustrations (2001) ISBN: 4894252414 [Japanese Import] by Sano Hirotoshi (0100)
Wiki information Hirotoshi:
Hirotoshi Masui is a Japanese professional baseball player.
Hirotoshi Honda is a Japanese business magnate, engineer and the founder of Mugen Motorsports.