Columbia subject headings:
Harvard subject headings:
Itō, Haku, 1925-2003. Kodai wakashi kenkyū--Indexes.
Waka--Chronology.
Waka--History and criticism--Indexes.
Princeton subject headings:
Itō, Haku, 1925- Kodai wakashi kenkyū--Indexes.
Waka--Chronology.
Waka--History and criticism--Indexes.