Columbia subject headings:
Harvard subject headings:
Empresses--Japan--Legal status, laws, etc.--History.
Japan--Politics and government--794-1185.
Ladies-in-waiting--Legal status, laws, etc.--Japan--History.
Princeton subject headings:
Empresses--Japan--Legal status, laws, etc.--History.
Japan--Politics and government--794-1185.
Ladies-in-waiting--Legal status, laws, etc.--Japan--History.