Columbia subject headings:
Amurskai︠a︡ oblastʹ (Russia)--Discovery and exploration--Russian.
China--Boundaries--Soviet Union.
China--Foreign relations--Soviet Union.
Russia--Foreign relations--1689-1801.
Russia--Foreign relations--1801-1917.
Soviet Union--Boundaries--China.
Soviet Union--Foreign relations--China.
Harvard subject headings:
Amurskai︠a︡ oblastʹ (Russia)--Discovery and exploration--Russian.
China--Boundaries--Russia.
China--Boundaries--Soviet Union.
China--Foreign relations--Russia.
China--Foreign relations--Soviet Union.
Russia--Boundaries--China.
Russia--Foreign relations--1689-1801.
Russia--Foreign relations--1801-1917.
Russia--Foreign relations--China
Soviet Union--Boundaries--China.
Soviet Union--Foreign relations--China.
Princeton subject headings:
Amurskai︠a︡ oblastʹ (Russia)--Discovery and exploration--Russian.
China--Boundaries--Russia.
China--Foreign relations--Russia.
Russia--Boundaries--China.
Russia--Foreign relations--1689-1801.
Russia--Foreign relations--1801-1917.
Russia--Foreign relations--China.