Columbia subject headings:
Islam--Caucasus, South--History--19th century--Sources.
Muslims--Religious life--Caucasus, South--Sources.
Religious institutions--Caucasus, South--Sources.
Harvard subject headings:
Caucasus, South--Religious institutions--Sources.
Islam--Caucasus, South--History--19th century--Sources.
Muslims--Religious life--Caucasus, South--Sources.
Princeton subject headings:
Caucasus, South--Religious institutions--Sources.
Islam--Caucasus, South--History--19th century--Sources.
Muslims--Religious life--Caucasus, South--Sources.