Columbia subject headings:
Harvard subject headings:
Ethnology--China--Heilongjiang Sheng.
Heilongjiang Sheng (China)--Ethnic relations.
Heilongjiang Sheng (China)--History.
Princeton subject headings:
Ethnology--China--Heilongjiang Sheng.
Heilongjiang Sheng (China)--Ethnic relations.
Heilongjiang Sheng (China)--History.