Columbia subject headings:
Harvard subject headings:
China--Foreign relations--Korea.
China--History--Shunzhi, 1644-1661.
Dorgon, 1612-1650.
Korea--Foreign relations--China.
Princeton subject headings:
China--Foreign relations--Korea.
China--History--Shunzhi, 1644-1661.
Dorgon, 1612-1650.
Korea--Foreign relations--China.