Title: Sekai Isan no tamamono, yomitaetta "Nyoirin kōshiki"
Subjects: Buddhist chants, History and criticism, History, Antiquities, Chūsonji (Hiraizumi-chō, Japan)
Places: Japan, Hiraizumi-chō (Japan)
People: Chōken (1126-1203), Avalokiteśvara (Buddhist deity)