Columbia subject headings:
Archaeology, Medieval--Turkey--Ardahan.
Ardahan (Turkey)--Antiquities.
Excavations (Archaeology)--Turkey--Ardahan.
Harvard subject headings:
Archaeology, Medieval--Turkey--Ardahan.
Ardahan (Turkey)--Antiquities.
Excavations (Archaeology)--Turkey--Ardahan.
Princeton subject headings:
Archaeology, Medieval--Turkey--Ardahan.
Ardahan (Turkey)--Antiquities.
Excavations (Archaeology)--Turkey--Ardahan.