Columbia subject headings:
Harvard subject headings:
Eurasia--History.
Eurasia--Politics and government.
Turkic peoples--Asia, Central--History
Turkic peoples--Byzantine Empire--History.
Turkic peoples--China--History.
Turkic peoples--History
Turkic peoples--Iran--History.
Turkic peoples--Politics and government.
Princeton subject headings:
Eurasia--Politics and government.
Turkic peoples--Politics and government.