Columbia subject headings:
Erbil (Iraq)--History.
Karkūk (Iraq)--History.
Mosul (Iraq)--History.
Oghuz (Turkic people)--Iraq--History.
Tribes--Iraq--History.
Turkmen--Iraq--History.
Harvard subject headings:
Erbil (Iraq)--History.
Karkūk (Iraq)--History.
Mosul (Iraq)--History.
Oghuz (Turkic people)--Iraq--History.
Tribes--Iraq--History.
Turkmen--Iraq--History.
Princeton subject headings:
Erbil (Iraq)--History.
Karkūk (Iraq)--History.
Mosul (Iraq)--History.
Oghuz (Turkic people)--Iraq--History.
Tribes--Iraq--History.
Turkmen--Iraq--History.