Japan in the Chinese Dynastic Histories. Later Han through Ming Dynasties by Ryūsaku Tsunoda, L. Carrington GoodrichWilhelm SchifferMN 8:1/2 (1952) pp. 423–24 → jstor.org/stable/2383023ShareThe Christian Century in Japan 1549–1650 by C.R. BoxerSemmyō. Die kaiserlichen Erlasse des Shoku-Nihongi by Herbert Zachert