Columbia subject headings:
Harvard subject headings:
Caucasus--History, Military--19th century.
Caucasus--Relations--Russia.
Russia--History, Military--1801-1917.
Russia--Relations--Caucasus.
Princeton subject headings:
Caucasus--History, Military--19th century.
Caucasus--Relations--Russia.
Russia--History, Military--1801-1917.
Russia--Relations--Caucasus.