Columbia subject headings:
Harvard subject headings:
Architecture--Italy--Rome--Early works to 1800.
Art, Roman--Italy--Rome--Early works to 1800.
Art--Italy--Rome--Early works to 1800.
Istanbul (Turkey)--Antiquities, Byzantine--Early works to 1800.
Istanbul (Turkey)--Description and travel--Early works to 1800.
Istanbul (Turkey)--History--To 1453--Sources.
Italy--Civilization--Byzantine influences--Early works to 1800.
Monuments--Italy--Rome--Early works to 1800.
Monuments--Turkey--Istanbul--Early works to 1800.
Rome (Italy)--Antiquities--Early works to 1800.
Rome (Italy)--Description and travel--Early works to 1800.
Rome (Italy)--History--476-1420--Sources.
Rome (Italy)--History--To 476--Sources.
Rome--Civilization--Greek influences--Early works to 1800.
Princeton subject headings:
Istanbul (Turkey)--Description and travel.
Rome (Italy)--Description and travel.