Columbia subject headings:
Harvard subject headings:
China--History--Relations.
China--History--Self strengthening movement, 1861-1895--Sources.
China--History--Tongzhi, 1861-1875--Sources.
China--History--Xianfeng, 1850-1861--Sources.
Tongzhi, Emperor of China, 1856-1875--Archives.
Xianfeng, Emperor of China, 1831-1861--Archives.
Princeton subject headings:
China--History--Relations.
China--History--Self strengthening movement, 1861-1895--Sources.
China--History--Tongzhi, 1861-1875--Sources.
China--History--Xianfeng, 1850-1861--Sources.
Tongzhi, Emperor of China, 1856-1875--Archives.
Xianfeng, Emperor of China, 1831-1861--Archives.