Columbia subject headings:
Outdoor art--Turkey--Congresses.
Sculpture--Turkey--Congresses.
Stone carving--Turkey--Congresses.
Harvard subject headings:
Outdoor art--Turkey--Congresses.
Sculptore--Turkey--Congresses.
Stone carving--Turkey--Congresses.
Princeton subject headings:
Outdoor art--Turkey--Congresses.
Sculptore--Turkey--Congresses.
Stone carving--Turkey--Congresses.