The "Nihonshoki" and "Manyoshu" (Collection of Ten Thousand Leaves), written around the same time, contain the story, but the surviving fragment of "Tango no kuni Fudoki" provides more detail.
ほぼ同時代に書かれた『日本書紀』『万葉集』にも記述が見られるが、『丹後国風土記』逸文が内容的に一番詳しい。