Columbia subject headings:
Turkic languages--Study and teaching--Germany--Mainz (Rhineland-Palatinate)--Congresses.
Harvard subject headings:
Turkish language--Congresses.
Turkish philology--Study and teaching--Germany--Mainz (Rhineland-Palatinate)--Congresses.
Princeton subject headings:
Turkic languages--Study and teaching--Germany--Mainz (Rhineland-Palatinate)--Congresses.