• 96 Books

• 30 Politics and government
• 29 History
• 11 Saigō, Takamori, 1828-1877
• 7 Katsu, Kaishū, 1823-1899
• 7 Shōtoku Taishi, 574?-622?
• 6 Prime ministers
• 5 Foreign relations
• 5 Sakamoto, Ryōma, 1836-1867
• 4 Arai, Hakuseki, 1657-1725
• 3 Confucianists
• 3 Historians
• 3 Itō, Hirobumi, 1841-1909
• 3 Kido, Takayoshi, 1833-1877
• 2 Arai family
• 2 Arai, Ryōichirō, 1855-1939
• 2 Cabinet officers
• 2 Description and travel
• 2 Hirota, Kōki, 1878-1948
• 2 Ii, Naosuke, 1815-1860
• 2 Itagaki, Taisuke, 1837-1919
• 2 Iwakura, Tomomi, 1825-1883
• 2 Japanese
• 2 Matsukata family
• 2 Matsukata, Masayoshi, 1835-1924

• 5 Nihon Rekishi Gakkai
• 4 Rekishi jinbutsu shirīzu
• 3 Yamaji, Aizan, 1865-1917
• 3 Ōbunsha
• 2 Ienaga, Saburō, 1913-2002
• 2 Katsu, Kaishū, 1823-1899
• 2 Reischauer, Haru Matsukata, 1915-1998
• 2 Sakamoto, Tarō, 1901-1987
• 2 Shimada, Saburō, 1852-1923
• 2 Shinba, Eiji, 1912-1999
• 2 Tōkyō Daigaku. Shiryō Hensanjo
• 2 Yumani Shobō
• 1 '95 Kashima Shinpojūmu "Fujiwara no Kamatari to Sono Jidai" (1995 : (Kashima-machi, Ibaraki-ken, Japan)
• 1 Andō, Yūichirō, 1965-
• 1 Anesaki, Masaharu, 1873-1949
• 1 Aoki, Kazuo, 1926-2009
• 1 Arai, Hakuseki, 1657-1725
• 1 Borgen, Robert, 1945-
• 1 Carter, Steven D
• 1 Chen, Pengren
• 1 Craig, Albert M
• 1 Dōmon, Fuyuji, 1927-
• 1 Egi, Gakusui, 1810-1881
• 1 Etō, Jun, 1933-1999
• 1 Fister, Pat, 1953-

• 78 Japanese
• 17 English
• 4 Chinese

• 2 China
• 2 United States
• 1 Chōshū-han (Japan)
• 1 Hokkaido

• 3 Diaries
• 2 Sources
• 1 Biographies
• 1 Commentaries
• 1 Congresses
• 1 Dictionaries
• 1 Juvenile fiction

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