Bakumatsu no jōhō to shakai henkaku - Iwata, Miyuki, 1958- (Tōkyō : Yoshikawa Kōbunkan, 2001)
Includes bibliographical references and indexes.
Keywords: Okubo family -- Diaries; Japan -- History -- Restoration, 1853-1870.; Japan -- Relations -- Foreign countries; Communication -- Japan -- History