Yuzuru KISHIMOTO later published "A Study of the Tosa Diary" (around 1815), picking and choosing some abstracts and checking them very closely, while Mitsue FUJITANI wrote her major work, "Study of the Tosa Diary."
岸本由豆流は、のち、『土佐日記考証』（文化(元号)12（1815年）年ごろか）をあらわし、諸抄を取捨選択、綿密な考証をこころみ、富士谷御杖は『土佐日記灯』をあらわして一大研究をうちたてた。