Columbia subject headings:
Harvard subject headings:
Architecture, Domestic--Turkey--Istanbul.
Istanbul (Turkey)--Buildings, structures, etc.
Istanbul (Turkey)--Description and travel.
Palaces--Turkey--Istanbul.
Princeton subject headings:
Architecture, Domestic--Turkey--Istanbul.
Architecture, Ottoman--Turkey--Istanbul.
Art, Ottoman--Turkey--Istanbul.
Buildings--Turkey--Istanbul.
Istanbul (Turkey)--Buildings, structures, etc.
Palaces--Turkey--Istanbul.