Columbia subject headings:
Este family.
Ferrara (Italy)--Court and courtiers.
Ferrara (Italy)--History.
Modena (Italy)--Court and courtiers.
Modena (Italy)--History.
Nobility--Italy--Biography.
Harvard subject headings:
Este family.
Ferrara (Italy)--Court and courtiers.
Ferrara (Italy)--History.
Modena (Italy)--Court and courtiers.
Modena (Italy)--History.
Nobility--Italy--Biography
Princeton subject headings:
Este family.
Ferrara (Italy)--Court and courtiers.
Ferrara (Italy)--History.
Modena (Italy)--Court and courtiers.
Modena (Italy)--History.
Nobility--Italy--Biography.