In later years, he stayed with Tsunanori MAEDA and ordered a feudal retainer of the Kaga domain to organize the experiences of his journey into a book called "Conversation with Koan WATANABE".
後年、前田綱紀の元へ身を寄せると旅の経験を加賀藩士に『渡辺幸庵対話』という本にまとめさせる。