Columbia subject headings:
Gonzaga family.
Mantua (Italy)--History--Sources.
Harvard subject headings:
Gonzaga family.
Ludovico III Gonzaga, Marquis of Mantua, 1412-1478.
Mantua (Italy)--History--Sources.
Mantua (Italy)--History.
Princeton subject headings:
Gonzaga family.
Mantua (Italy)--Politics and government.
Nobility--Italy--Mantua--Political activity.
Power (Social sciences)--Italy--Mantua--History.