Columbia subject headings:
Este family--History.
Ferrara (Italy)--History.
Heraldry--Italy--Ferrara.
Harvard subject headings:
Architecture--Italy--Ferrara.
Church architecture--Italy--Ferrara.
Este family.
Ferrara (Italy)--History.
Heraldry--Italy--Ferrara.
Princeton subject headings:
Este family--History.
Ferrara (Italy)--History.
Heraldry--Italy--Ferrara.