Columbia subject headings:
Harvard subject headings:
Italy--Italy--Naples--Kings and rulers--Biography.
Princes--Italy--Naples--Biography.
Savoia, Vittorio Emanuele di, 1937-
Savoy, House of.
Princeton subject headings:
Nobility--Italy--Biography.
Princes--Italy--Biography.
Savoia, Vittorio Emanuele di, 1937-
Savoy, House of.
Umberto II, King of Italy, 1904-1983--Family.