Columbia subject headings:
Japanese language--Grammar, Historical.
Japanese language--Heian period, 794-1185.
Kundoku--History--To 1500.
Harvard subject headings:
Japanese language--Grammar, Historical
Japanese language--Heian period, 794-1185
Kundoku--History--To 1500.
Princeton subject headings:
Japanese language--Grammar, Historical.
Japanese language--Heian period, 794-1185.
Kundoku--History--To 1500.