[1] 役小角 - Wikipedia (2020-01-13 14:38:12 +09:00) https://ja.wikipedia.org/wiki/%E5%BD%B9%E5%B0%8F%E8%A7%92

[2] 役小角 - Wikipedia (2020-01-13 14:38:12 +09:00) https://ja.wikipedia.org/wiki/%E5%BD%B9%E5%B0%8F%E8%A7%92

[3] 日本古代の日時, 古史古伝の日時