1906 Nobiliaire du japon (2003) Röhl, William. (2005). History of Law in Japan Since 1868. Leiden: Brill Publishers. Sasaki, Suguru. (2002). Boshin sensō: haisha no Meiji ishin. Tokyo: Chūōkōron-shinsha External links National Diet Library: Ōkubo Toshimichi, text and image "Ōkubo-shi" on Harimaya.com (23 Feb. 2008) Japanese clans