Columbia subject headings:
Harvard subject headings:
China--Foreign relations--United States
Russia (Federation)--Foreign relations--United States
Subversive activities--China.
Subversive activities--Russia (Federation)
United States--Foreign relations--China
United States--Foreign relations--Russia (Federation)
Princeton subject headings:
China--Foreign relations--United States.
Russia (Federation)--Foreign relations--United States.
Subversive activities--China.
Subversive activities--Russia (Federation).
United States--Foreign relations--China.
United States--Foreign relations--Russia (Federation)