Columbia subject headings:
Harvard subject headings:
Casati family.
Consuls--Italy--History.
Consuls--Spain--History.
Diplomatic and consular service, Italian--Switzerland--History--17th century.
Diplomatic and consular service, Spanish--Switzerland--History--17th century.
Milan (Italy)--History--17th century.
Spain--History--17th century.
Switzerland--History--17th century.
Princeton subject headings:
Casati family.
Consuls--Italy--History.
Consuls--Spain--History.
Diplomatic and consular service, Italian--Switzerland--History--17th century.
Diplomatic and consular service, Spanish--Switzerland--History--17th century.