Columbia subject headings:
Harvard subject headings:
Japanese poetry--To 1868--Concordances.
Kōen tsugiuta--Concordances.
Waka--Concordances.
Princeton subject headings:
Indexes.
Japanese poetry--1185-1600--Indexes.
Japanese poetry--1185-1600.
Kōen tsugiuta--Indexes.
Waka--Indexes.
Waka.