Columbia subject headings:
Iraq--Ethnic relations.
Iraq--History--20th century.
Turkmen--Iraq--History--20th century.
Harvard subject headings:
Iraq--Ethnic relations.
Iraq--History--20th century.
Turkmen--Iraq--History--20th century.
Princeton subject headings:
Iraq--Ethnic relations.
Iraq--History--20th century.
Turkmen--Iraq--History--20th century.