Columbia subject headings:
Harvard subject headings:
Heian-kyō (Extinct city)
Japan--Civilization--794-1185.
Japanese literature--Heian period, 794-1185--History and criticism
Kyoto (Japan)--History.
Princeton subject headings:
Japan--History--Heian period, 794-1185.
Japanese literature--Heian period, 794-1185--History and criticism.