Columbia subject headings:
Divorce--Law and legislation--Japan--History.
Domestic relations--Japan--History.
Illegitimate children--Legal status, laws, etc.--Japan--History.
Marriage law--Japan--History.
Mistresses--Legal status, laws, etc.--Japan--History.
Harvard subject headings:
Domestic relations--Japan
Marriage law--Japan--History.
Princeton subject headings:
Domestic relations--Japan--History.
Marriage law--Japan--History.