Columbia subject headings:
Boncompagni-Ludovisi, Rodolfo, Prince of Piombino--Homes and haunts.
Margherita, Queen, consort of Umberto I, King of Italy, 1851-1926--Homes and haunts.
Palazzo Margherita (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Harvard subject headings:
Boncompagni-Ludovisi, Rodolfo, Prince of Piombino--Homes and haunts.
Margherita, Queen, consort of Umberto I, King of Italy, 1851-1926--Homes and haunts.
Palaces--Italy--Rome
Palazzo Margherita (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Boncompagni-Ludovisi, Rodolfo, Prince of Piombino--Homes.
Margherita, Queen, consort of Umberto I, King of Italy, 1851-1926--Homes.
Palazzo Margherita (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.