Columbia subject headings:
China--History--Tang dynasty, 618-907.
Law--China--History--Tang dynasty, 618-907.
Tang lü.
Harvard subject headings:
China--History--Tang dynasty, 618-907.
Law--China
Law--China--History--Tang dynasty, 618-907.
Tang lü.
Princeton subject headings:
China--History--Tang dynasty, 618-907.
Law--China--History--Tang dynasty, 618-907.
Tang lü.