Columbia subject headings:
Harvard subject headings:
Caucasus--Foreign relations--Russia (Federation)
Putin, Vladimir Vladimirovich, 1952-
Russia (Federation)--Foreign relations--Caucasus.
Russia (Federation)--Politics and government--21st century.
Princeton subject headings:
Caucasus--Foreign relations--Russia (Federation).
Putin, Vladimir Vladimirovich, 1952-
Russia (Federation)--Foreign relations--Caucasus.