Columbia subject headings:
Harvard subject headings:
Dong (Chinese people)--China--History--17th century.
Dong (Chinese people)--China--Social conditions--17th century.
Ethnology--Government policy--China--History--17th century.
Princeton subject headings:
China--History--Qing dynasty, 1644-1912.
Dong (Chinese people)--Government policy.
Minorities--Government policy--China.