Columbia subject headings:
Constitutional amendments--Japan.
Domestic relations--Japan--History--20th century.
Domestic relations--Japan--History--21st century.
Families--Japan--History--20th century.
Families--Japan--History--21st century.
Family policy--Japan--History.
Harvard subject headings:
Princeton subject headings:
Domestic relations--Japan--History.
Families--Japan.
Family policy--Japan--History.