Columbia subject headings:
Greeks--Travel--Turkey--History--To 1500.
Tourism--Turkey--History--To 1500.
Travel, Ancient.
Harvard subject headings:
Turkey--Description and travel--Early works to 1800.
Voyages and travels--Early works to 1800
Princeton subject headings:
Turkey--Description and travel--Early works to 1800.
Voyages and travels--Early works to 1800.