HeadingŌkubo, Tadahiro used in: Integrated Authority File (GND), Germany
Portrait of Okubo Ichio (大久保一翁, 1818 - 1888) [Unknown authorUnknown author / This image is available from the website of the National Diet Library -- Public domain -- http://commons.wikimedia.org/wiki/File:Okubo Ichio.jpg]