Columbia subject headings:
Kokin wakashū.
Prefaces.
Harvard subject headings:
Japanese poetry--Heian period, 794-1185--History and criticism
Kokin wakashū Kanajo.
Waka--History and criticism--Early works to 1800.
Princeton subject headings:
Japanese poetry--Heian period, 794-1185--History and criticism.
Kokin wakashū. Kanajo.
Waka--History and criticism--Early works to 1800.