Columbia subject headings:
Whalers (Persons)--Japan.
Whaling--Economic aspects--Japan.
Whaling--Japan--History.
Whaling--Japan.
Whaling--Social aspects--Japan.
Harvard subject headings:
Whalers (Persons)--Japan.
Whaling--Economic aspects--Japan.
Whaling--Japan--History
Whaling--Japan.
Whaling--Social aspects--Japan.
Princeton subject headings:
Whalers (Persons)--Japan.
Whaling--Japan--History.
Whaling--Japan.