Columbia subject headings:
Harvard subject headings:
Caucasus, Northern (Russia)--History--19th century.
Islam--Russia (Federation)--Caucasus, Northern--19th century.
Naqshabandīyah--Russia (Federation)--Caucasus, Northern--History--19th century.
Princeton subject headings:
Caucasus, Northern (Russia)--History--19th century.
Islam--Russia (Federation)--Caucasus, Northern--19th century.
Naqshabandīyah--Russia (Federation)--Caucasus, Northern--History--19th century.