Columbia subject headings:
Gonzaga family.
Stables--Italy--Mantua--History.
Thoroughbred horse--Italy--Mantua--History.
Harvard subject headings:
Gonzaga family.
Stables--Italy--Mantua--History.
Thoroughbred horse--Italy--Mantua--History.
Princeton subject headings:
Gonzaga family.
Thoroughbred horse--Italy--Mantua--History.