Columbia subject headings:
Architecture, Domestic--Europe--History--Congresses.
Architecture, Domestic--Italy--History--Congresses.
Architecture, Renaissance--Europe--Congresses.
Architecture, Renaissance--Italy--Congresses.
Harvard subject headings:
Architecture, Domestic--Europe--Congresses.
Architecture, Domestic--Italy--Congresses.
Architecture, Domestic--Italy--Ferrara (Province)--Congresses.
Architecture, Renaissance--Europe--Congresses.
Architecture, Renaissance--Italy--Congresses.
Architecture, Renaissance--Italy--Ferrara (Province)--Congresses.
Este family--Homes and haunts--Italy--Congresses.
Ferrara (Italy)--Court and courtiers--Congresses.
Princeton subject headings:
Architecture, Domestic--Europe--Congresses.
Architecture, Domestic--Italy--Congresses.
Architecture, Domestic--Italy--Ferrara--Congresses.
Architecture, Renaissance--Europe--Congresses.
Architecture, Renaissance--Italy--Congresses.
Architecture, Renaissance--Italy--Ferrara--Congresses.