Columbia subject headings:
Afforestation--Japan--Akita-ken--History.
Forest management--Japan--Akita-ken--History.
Forest policy--Japan--Akita-ken--History.
Forests and forestry--Japan--Akita-ken--History.
Harvard subject headings:
Afforestation--Japan--Akita-ken--History.
Forest management--Japan--Akita-ken--History.
Forest policy--Japan--Akita-ken--History.
Forests and forestry--Japan--Akita-ken--History.
Princeton subject headings:
Afforestation--Japan--Akita-ken--History.
Forest management--Japan--Akita-ken--History.
Forest policy--Japan--Akita-ken--History.
Forests and forestry--Japan--Akita-ken--History.