The old manuscripts include the Kofuku-ji Temple manuscript, Raigo-in Temple manuscript, the Shinpuku-ji Temple manuscript Osu kannon, Maeda family manuscript and Kongo Zanmi-in Temple (Koyasan manuscript).
古写本には、興福寺本、来迎院本、真福寺本大須観音、前田家本、金剛三味院（高野山本）がある。