The Urabe copies of two volumes of "Nihonshoki" for the legendary age having an okugaki (inscription usually preceding the colophone) (in 1286 transcribed by Kanekata, that shows the relation with "Shaku Nihongi" are possessed by the Agency for Cultural Affairs.
『釈日本紀』との関係を示す兼方の書写になる弘安9年（1286年）の奥書のある『日本書紀』神代巻二巻の卜部家本が、文化庁に所蔵されている。