Columbia subject headings:
Architecture--Turkey--Istanbul.
City planning--Turkey--Istanbul--History--19th century.
Istanbul (Turkey)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Turkey--Istanbul
City planning--Turkey--Istanbul--History--19th century.
Istanbul (Turkey)--Buildings, structures, etc.
Princeton subject headings:
City planning--Turkey--Istanbul--History--19th century.
Istanbul (Turkey)--Buildings, structures, etc.