Columbia subject headings:
Caucasus, Northern (Russia)--History--19th century.
Caucasus--History.
Shāmil, Imām, 1798?-1871.
Harvard subject headings:
Caucasus, Northern (Russia)--History--19th century.
Caucasus--History.
Shāmil, Imām, 1798?-1871.
Princeton subject headings:
Caucasus, Northern (Russia)--History--19th century.
Caucasus--History.
Shāmil, Imām, 1798?-1871.