Columbia subject headings:
Harvard subject headings:
Barrera, Francesca, 1872-1942.
Griggi, Giuseppina, 1871-1928.
Impostors and imposture--Italy.
Italy--Kings and rulers--Children.
Italy--Kings and rulers--Succession.
Margherita, Queen, consort of Umberto I, King of Italy, 1851-1926
Savoy, House of.
Princeton subject headings:
Savoy, House of.