In addition, according to "Nihonshoki," most of the history books, "Kokki" (a National Record) and "Tennoki" (a Record of the Emperors), which were written by Prince Shotoku et al., were burnt down when Soga no Emishi and Soga no Iruka were killed, but others which escaped the fire were presented to the Emperor Tenchi.
なお、『日本書紀』によれば、この時聖徳太子らが作った歴史書『国記』、『天皇記』は蘇我蝦夷・蘇我入鹿が滅ぼされた時に大部分焼失したが、焼け残ったものは天智天皇に献上されたという。