He wrote "Genji Monogatari Kikigaki" (Commentary of the Tale of Genji) and "Ise Monogatari Guan sho" (The foolish tales of the tale of Ise), and also published the "Nihon Shoki" (Chronicles of Japan) as Keicho Chokuhan (published by Imperial order).
自著に『源氏物語聞書』『伊勢物語愚案抄』などがあり、『日本書紀』を慶長勅版として発行させる。