Columbia subject headings:
Great Palace of the Emperors (Istanbul, Turkey)--Exhibitions.
Kaiserresidenz (Trier, Germany)--Exhibitions.
Palazzo di Teodorico (Ravenna, Italy)--Exhibitions.
Harvard subject headings:
Emperors--Holy Roman Empire--Homes and haunts.
Istanbul (Turkey)--Antiquities, Roman.
Palaces--Germany--Trier.
Palaces--Italy--Tavenna.
Palaces--Turkey--Istanbul.
Ravenna (Italy)--Antiquities, Roman.
Trier (Germany)--Antiquities, Roman.
Princeton subject headings:
Architecture, Byzantine--Exhibitions.
Architecture, Early Christian--Exhibitions.
Aula Palatina (Trier, Germany)--Exhibitions.
Emperors--Rome--Dwellings--Exhibitions.
Great Palace of the Emperors (Istanbul, Turkey)--Exhibitions.
Istanbul (Turkey)--Buildings, structures, etc.--Exhibitions.
Palazzo di Teodorico (Ravenna, Italy)--Exhibitions.
Ravenna (Italy)--Buildings, structures, etc.--Exhibitions.
Trier (Germany)--Buildings, structures, etc.--Exhibitions.