Columbia subject headings:
Citizenship--Iraq.
Elections--Iraq--Karkūk.
Karkūk (Iraq)--History.
Kurds--Iraq--Karkūk--History.
Harvard subject headings:
Citizenship--Iraq.
Elections--Iraq--Karkūk.
Karkūk (Iraq)--History.
Kurds--Iraq--Karkūk--History.
Local elections--Iraq--Karkūk--History.
Princeton subject headings:
Citizenship--Iraq.
Elections--Iraq--Karkūk.
Karkūk (Iraq)--History.
Kurds--Iraq--Karkūk--History.