Columbia subject headings:
Buddhism--Japan--History--1185-1600.
Buddhism--Japan--Rituals.
Harvard subject headings:
Buddhism--Rituals
Buddhist literature, Japanese--History and criticism.
Japanese literature--Heian period, 794-1185--History and criticism
Princeton subject headings:
Buddhism in literature.
Buddhism--Japan--Customs and practices.
Japanese literature--To 1600--History and criticism.