Osanobu's interests were diverse, and his active pursuit of learning can be seen in his six scrolls on the furnishings Gakuryo, Bugaku (court dance and music) masks, and costumes at the Treasure House of the Koyasan, as well as the fact that he even drew the paper mountings and tears of hanging scrolls when he copied them.
関心も多岐にわたり、高野山学侶宝蔵の調度、舞楽面、装束を写した6巻や、掛け軸の表装の紙や裂まで描いてあるものもあり、養信の旺盛な学習意欲が伺われる。