Columbia subject headings:
Istanbul (Turkey). Palace.
Harvard subject headings:
Architecture, Byzantine--Turkey--Istanbul
Architecture--Turkey--Istanbul
Art, Byzantine--Turkey--Istanbul.
Excavations (Archaeology)--Turkey--Istanbul.
Great Palace of the Emperors (Istanbul, Turkey)
Istanbul (Turkey)--Antiquities, Byzantine.
Istanbul (Turkey)--Buildings, structures, etc.
Palaces--Turkey--Istanbul.
Princeton subject headings: