Columbia subject headings:
Harvard subject headings:
China--History--Yongzheng, 1723-1735--Sources.
Nian, Gengyao, -1726--Correspondence.
Statemen--China--Correspondence.
Princeton subject headings:
China--History--Yongzheng, 1723-1735--Sources.
Nian, Gengyao, -1726--Correspondence.
Statemen--China--Correspondence.