Columbia subject headings:
Istanbul (Turkey)--Guidebooks.
Istanbul (Turkey)--History.
Harvard subject headings:
Bursa (Turkey)--Guidebooks.
Edirne (Turkey)--Guidebooks.
Istanbul (Turkey)--Guidebooks.
Istanbul (Turkey)--History.
İznik (Turkey)--Guidebooks.
Princeton subject headings:
Guidebooks.
Istanbul (Turkey)--Guidebooks.
Istanbul (Turkey)--History.