Columbia subject headings:
Roads--Japan--History--To 1500.
Transportation--Japan--History--To 1500.
Harvard subject headings:
Japan--History--To 1185
Roads--Japan--History
Roads--Japan--History--To 1500.
Transportation--Japan--History
Transportation--Japan--History--To 1500.
Princeton subject headings:
Japan--History--To 1185.
Roads--Japan--History.
Transportation--Japan--History.