Columbia subject headings:
Casa Fuerte, Illan de, 1882-1962--Friends and associates.
Intellectuals--France--Biography.
Musicians--France--Biography.
Nobility--France--Biography.
Paris (France)--Intellectual life--20th century.
Harvard subject headings:
Alvarez de Toledo, Illan, marquis de Casa Fuerte.
Europe--Civilization--19th century.
Europe--Civilization--20th century.
Princeton subject headings:
Casa Fuerte, Illan de, 1882-1962--Friends and associates.
Intellectuals--France--Biography.
Musicians--France--Biography.
Nobility--France--Biography.
Paris (France)--Intellectual life--20th century.