Columbia subject headings:
Cities and towns--Turkey--Istanbul--Congresses.
Çekmeköy (Istanbul, Turkey)--History--Congresses.
Harvard subject headings:
Cities and towns--Turkey--Istanbul--Congresses.
Çekmeköy (Istanbul, Turkey)--History--Congresses.
Princeton subject headings:
Cities and towns--Turkey--Congresses.
Çekmeköy (Istanbul, Turkey)--History--Congresses.