These handscrolls are a collection of notes and records of Buddhist rituals, which include hyōbyaku opening addresses for Buddhist services. This collection is comprised of the volumes of "Buddha", "Kanjō-tandoku", "Kōshi", "Hyōbyaku-opening addresses", and "Hyōbyaku and others". The oldest record of hyōbyaku was for the Fugen Emmei Mishuhō ritual performed in Hōshō-ji temple on June 22, 1099, whereas the latest record is Monkō-hyōbyaku and Taizōgyōhō-hyōbyaku in 1152. It is conceivable that this collection of records was compiled by someone related to Tō-ji temple since many records were concerned with Buddhist rituals in that temple. No colophon is included and each volume was copied by different persons, but judging from the calligraphic style these volumes are thought to have been copied during the mid-Kamakura period. According to the red rectangular seal which reads "Hōbenchi-in" on the front page of each scroll, these scrolls had been kept in Kōsan-ji temple. 
Masterpieces of Nara National Museum. Nara National Museum, 1993, p.91, no.69.