Columbia subject headings:
Alfonso XIII, King of Spain, 1886-1941.
Spain--Court and courtiers.
Victoria Eugenia, Queen, consort of Alfonso XIII, King of Spain, 1887-1969.
Harvard subject headings:
Alfonso XIII, King of Spain, 1886-1941.
Spain--Court and courtiers.
Victoria Eugenia, Queen, consort of Alfonso XIII, King of Spain, 1887-1969.
Princeton subject headings:
Alfonso XIII, King of Spain, 1886-1941.
Spain--Court and courtiers.
Victoria Eugenia, queen consort of Alfonso XIII, king of Spain, 1887-