Photographs of valuable material collections, especially 'Description of an encounter in the dream' with Norinaga and 'treasured figure of the god of the lofty peak', and 'Shichishomai no Ki' (The Dance of Seven Lifetimes), 'Senkyo-zu' (Enchanted Land) and 'Reiho Gogaku Shinkei-zu' (sacred treasure of the genuine map of five sacred mountains) that describe details of Senkyo in painting by ascertaining the truth of the different world's scenery by asking Torakichi in Senkyo Ibun, as well as 'Ino Heitaro Monogatari' (The Story of Heitaro INO), 'Onokoro-jima no zu' (the picture of Onokoro Island) and 'Ibukinoya Nikki' (Diary of Ibukinoya) were revealed.
中でも宣長との「夢中対面図」をはじめ、「高根神の尊図」仙境異聞の中で寅吉から異界の模様を聞き糺し、仙境の模様を精密に筆写描写して絵図に描いた「七生舞の記」や「仙境図」・「霊宝五嶽真形図」などの他「稲生平太郎物語」や「おのころ島の図」「氣吹舎日記」などの貴重な資料集を写真公開している。