Columbia subject headings:
Caucasus, Northern (Russia)--History.
Caucasus, Northern (Russia)--Relations--Russia (Federation)
Caucasus, Northern (Russia)--Relations--Russia.
Caucasus, Northern (Russia)--Relations--Soviet Union.
Russia (Federation)--Relations--Russia (Federation)--Caucasus, Northern.
Russia--Relations--Russia (Federation)--Caucasus, Northern.
Soviet Union--Relations--Russia (Federation)--Caucasus, Northern.
Harvard subject headings:
Princeton subject headings:
Caucasus, Northern (Russia)--History.
Caucasus, Northern (Russia)--Relations--Russia (Federation).
Caucasus, Northern (Russia)--Relations--Russia.
Caucasus, Northern (Russia)--Relations--Soviet Union.
Russia (Federation)--Relations--Russia (Federation)--Caucasus, Northern.
Russia--Relations--Russia (Federation)--Caucasus, Northern.
Soviet Union--Relations--Russia (Federation)--Caucasus, Northern.