Columbia subject headings:
Harvard subject headings:
Elisabeth, Empress, consort of Franz Joseph I, Emperor of Austria, 1837-1898--Mental health.
Elisabeth, Empress, consort of Franz Joseph I, Emperor of Austria, 1837-1898--Portraits.
Ludwig II, King of Bavaria, 1845-1886--Mental health.
Ludwig II, King of Bavaria, 1845-1886--Portraits.
Princeton subject headings:
Art, Austrian.
Art, German--Germany--Bavaria.
Art, Modern--19th century--Austria.
Art, Modern--19th century--Germany--Bavaria.
Elisabeth, Empress, consort of Franz Joseph I, Emperor of Austria, 1837-1898--Mental health.
Elisabeth, Empress, consort of Franz Joseph I, Emperor of Austria, 1837-1898.
Ludwig II, King of Bavaria, 1845-1886--Mental Health.
Ludwig II, King of Bavaria, 1845-1886.