Columbia subject headings:
Economics--Kurdistan--History.
Kurdistān (Iraq)--Commerce.
Kurdistān (Iraq)--History.
Monetary policy--Kurdistan--History.
Harvard subject headings:
Economics--Kurdistān--History--750-1258.
Kurdistān (Iraq)--Commerce--750-1258.
Kurdistān (Iraq)--History--750-1258.
Monetary policy--Kurdistān--History.
Princeton subject headings: