Columbia subject headings:
Harvard subject headings:
Folk literature, Chinese--History and criticism
Keikai, active 8th century-9th century. Nihon ryōiki--Sources.
Legends, Buddhists--Japan--History and criticism.
Princeton subject headings:
Buddhism--Japan--Folklore.
Buddhist legends--Japan--History and criticism.
Keikai, active 8th century-9th century. Nihon ryōiki.
Tales--Japan--History and criticism.