Columbia subject headings:
Ecology--Turkey--Van.
Environmental archaeology--Turkey--Van.
Van (Turkey)--Antiquities.
Van (Turkey)--Politics and government.
Harvard subject headings:
Ecology--Turkey--Van.
Environmental archaeology--Turkey--Van.
Van (Turkey)--Antiquities.
Van (Turkey)--Politics and government.
Princeton subject headings:
Armenia--History--To 428.
Urartians.