• 23 History
• 10 Historiography
• 3 Rikkokushi
• 3 Social life and customs
• 2 Civilization
• 2 Japanese
• 2 Nihon shoki
• 2 Sakamoto, Tarō, 1901-1987
• 2 Shōtoku Taishi, 574?-622?
• 2 Statesmen
• 1 Antiquities
• 1 Clans
• 1 Communication and traffic
• 1 Cultural property
• 1 Emperors
• 1 Historians
• 1 History in literature
• 1 History, Local
• 1 Kofudoki
• 1 Kojiki
• 1 Law
• 1 Learning and scholarship
• 1 Literature and history
• 1 Man'yōshū
• 1 Mythology, Japanese

• 3 Hinonishi, Suketaka
• 3 Morisue, Yoshiaki, 1904-1977
• 1 Akiyama, Ken, 1924-2015
• 1 Hirano, Kunio, 1923-2014
• 1 Hisamatsu, Sen'ichi, 1894-1976
• 1 Kokugakuin Daigaku. Shigakka
• 1 Nihon Rekishi Gakkai
• 1 Tanaka, Ichimatsu, 1895-1983

• 32 Japanese
• 1 Chinese
• 1 English

• 5 Biography
• 5 Dictionaries
• 1 Encyclopedias
• 1 Sources

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