• 71 Music Library (Mills)

• 73 Sound Recordings
• 29 Videos, Slides, Films

• 29 Vinyl Records
• 15 DVDs
• 10 Compact Discs
• 2 VHS Videocassettes
• 1 Blu-ray Discs

• 36 Operas
• 2 Electra (Greek mythological figure)
• 2 Netrebko, Anna
• 2 Songs (High voice) with orchestra
• 1 Büchner, Georg, 1813-1837
• 1 Cellini, Benvenuto, 1500-1571
• 1 Chamber orchestra music
• 1 Don Juan (Legendary character)
• 1 Falstaff, John, Sir (Fictitious character)
• 1 Khovanskiĭ family
• 1 May-December romances
• 1 Music rehearsals
• 1 Orchestral music
• 1 Overtures
• 1 Seduction
• 1 Songs (High voice) with piano
• 1 Titus, Emperor of Rome, 40-81
• 1 Triangles (Interpersonal relations)

• 82 Wiener Philharmoniker
• 31 Mozart, Wolfgang Amadeus, 1756-1791
• 19 Güden, Hilde
• 16 Da Ponte, Lorenzo, 1749-1838
• 15 Strauss, Richard, 1864-1949
• 14 Della Casa, Lisa
• 12 Large, Brian
• 12 Poell, Alfred, 1900-1968
• 11 Dermota, Anton
• 11 Deutsche Grammophon (Firm)
• 11 Furtwängler, Wilhelm, 1886-1954
• 11 Karajan, Herbert von
• 11 Solti, Georg, 1912-1997
• 11 Wagner, Richard, 1813-1883
• 10 Edelmann, Otto
• 10 Hofmannsthal, Hugo von, 1874-1929
• 10 Ludwig, Christa
• 10 Österreichischer Rundfunk
• 9 Berry, Walter
• 9 Böhm, Karl, 1894-1981
• 9 Siepi, Cesare
• 9 Unitel Film- und Fernsehproduktionsgesellschaft mbH
• 9 Wiener Staatsoper. Orchester
• 8 Abbado, Claudio

• 50 German
• 41 Italian
• 5 English
• 5 French
• 3 Czech
• 2 Multiple languages
• 1 Russian
• 1 Unknown

• 17 Opera films
• 9 Drama
• 6 Live sound recordings
• 5 Excerpts
• 5 Filmed performances
• 4 Nonfiction films
• 3 Televised performances
• 2 Adaptations
• 2 Internet videos
• 2 Interviews
• 2 Made-for-TV movies
• 2 Music videos
• 2 Songs
• 2 Sound recordings
• 1 Art music
• 1 Chamber music
• 1 Concert films
• 1 Documentary films
• 1 Fiction films
• 1 Film adaptations
• 1 Filmed operas
• 1 Foreign films
• 1 Italian language films
• 1 Motion pictures

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