Columbia subject headings:
Harvard subject headings:
Chen, Xizeng, 1767-1816--Correspondence.
China--History--Guangxu, 1875-1908
China--History--Qianlong, 1736-1795--Sources.
Princeton subject headings:
Chen, Xizeng, 1767-1816--Correspondence.
China--History--Qianlong, 1736-1795--Sources.