Columbia subject headings:
Harvard subject headings:
Austria--History--Sources--Exhibitions.
Elisabeth, Empress, consort of Franz Joseph I, Emperor of Austria, 1837-1898--Exhibitions.
Hamann, Brigitte--Collectibles--Exhibitions.
Historians--Collectibles--Austria--Exhibitions.
Rudolf, Crown Prince of Austria, 1858-1889--Exhibitions.
Schnitzler, Arthur, 1862-1931--Exhibitions.
Science--History--Sources--Exhibitions.
Wienbibliothek im Rathaus--Exhibitions.
Princeton subject headings:
Austria--History--Sources--Exhibitions.
Elisabeth, Empress, consort of Franz Joseph I, Emperor of Austria, 1837-1898--Exhibitions.
Hamann, Brigitte--Collectibles--Exhibitions.
Historians--Collectibles--Austria--Exhibitions.
Rudolf, Crown Prince of Austria, 1858-1889--Exhibitions.
Schnitzler, Arthur, 1862-1931--Exhibitions.
Science--History--Sources--Exhibitions.