Columbia subject headings:
Harvard subject headings:
Elena, Duchess of Aosta, consort of Emmanuel Philibert of Savoy, Duke of Aosta, 1871-1951.
Elena, Queen, consort of Victor Emmanuel III, King of Italy, 1873-1952.
Italy--Politics and government.
Nobility--France--Biography
Nobility--Italy--Biography
Queens--Italy--Biography
Princeton subject headings:
Elena, Queen, consort of Victor Emmanuel III, King of Italy, 1873-1952.
Italy--Politics and government.
Queens--Italy--Biography.