Columbia subject headings:
Turkmen--Iran--Congresses.
Turkmen--Iraq--Congresses.
Turkmen--Middle East--Congresses.
Turkmen--Syria--Congresses.
Harvard subject headings:
Turkmen--Iran--Congresses.
Turkmen--Iraq--Congresses.
Turkmen--Middle East--Congresses.
Turkmen--Syria--Congresses.
Princeton subject headings:
Turkmen--Iran--Congresses.
Turkmen--Iraq--Congresses.
Turkmen--Middle East--Congresses.
Turkmen--Syria--Congresses.