Columbia subject headings:
Circassians--History--19th century--Sources.
Circassians--Migration--19th century--Sources.
Circassians--Russia--19th century--Sources.
Circassians--Turkey--19th century--Sources.
Slavery--Turkey--History--19th century.
Turkey--Emigration and immigration--19th century.
Harvard subject headings:
Circassians--History--19th century--Sources.
Circassians--Migration--19th century--Sources.
Circassians--Russia--19th century--Sources.
Circassians--Turkey--19th century--Sources.
Slavery--Turkey--History--19th century.
Turkey--Emigration and immigration--19th century.
Princeton subject headings:
Circassians--History--19th century--Sources.
Circassians--Migration--19th century--Sources.
Circassians--Russia--19th century--Sources.
Circassians--Turkey--19th century--Sources.
Slavery--Turkey--History--19th century.
Turkey--Emigration and immigration--19th century.