"The Establishment of the Tosenbugyo in the Reign of Ashikaga Yoshinori" (唐船奉行の成立 : 足利義教による飯尾貞連の登用), "Tokyo Woman's Christian University: Essays and Studies".
«The Establishment of the Tosenbugyo in the Reign of Ashikaga Yoshinori» (唐船奉行の成立 : 足利義教による飯尾貞連の登用), "Tokyo Woman’s Christian University: Essays and Studies".