Nihon Gaishi

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File:Титульный лист Нихон гайси 1874 года издания.jpg

The Nihon Gaishi (日本外史) is a 19th-century book on the history of Japan by Rai San'yo.{{Cite book |last=Sato |author-link=Hiroaki Sato (translator) |first=Hiroaki |title=Legends of the Samurai |publisher=Overlook Duckworth |year=1995 |ISBN=9781590207307 |page=205}} The whole work comprises 22 scrolls and covers samurai history from the Genpei War to the Edo period.