Coba jelasin Catatan dari Pangeran Shōtoku dong

Tanizawa Eiichi. Shōtoku taishi wa inakatta. Shinchō Shinsho 062. Tokyo: Shinchōsha, 2004.

Ōyama Seiichi. "Shōtoku taishi" no tanjō rekishi bunka library. Yoshikawa Kōbunkan, 1999. ISBN 4-642-05465-0

Ishida Hisatoyo. Shōtoku taishi jiten. Kashiwashobo.

Ienaga Saburō. Shōtoku taishi ronsō. Tokyo: Shinsensha, 2006. ISBN 4-7877-0605-5