• 1 Music Library (Mills)

• 4 Sound Recordings
• 2 Videos, Slides, Films

• 1 Vinyl Records

• 4 Operas

• 6 Du Locle, Camille, 1832-1903
• 4 Baltsa, Agnes
• 4 Berliner Philharmoniker
• 4 Cappuccilli, Piero
• 4 Carreras, José
• 4 Dam, José van
• 4 Deutsche Oper Berlin. Chor
• 4 Ghiaurov, Nicolai, 1929-2004
• 4 Karajan, Herbert von
• 4 Raimondi, Ruggero
• 3 Freni, Mirella, 1935-2020
• 3 Gruberova, Edita, 1946-2021
• 2 Deutsche Oper Berlin
• 2 Sawallisch, Wolfgang, 1923-2013
• 2 Schiller, Friedrich, 1759-1805
• 1 Freni, Mirella, 1935-
• 1 Gruberova, Edita, 1946-
• 1 Kapp, Julius, 1883-1962
• 1 Lauzières, Achille de
• 1 Soldan, Kurt, 1891-1946

• 4 Italian
• 2 German
• 1 No linguistic content

• 4 Operas
• 2 Filmed operas
• 1 Sound recordings

Limit year range