• 11 Music Library (Mills)
• 1 College Library

• 14 DVDs
• 1 VHS Videocassettes

• 6 Operas
• 4 Wagner, Richard, 1813-1883
• 1 Boccanegra, Simone, -1363
• 1 Electra, (Greek mythological figure)
• 1 German Language Films
• 1 Idomeneus (Greek mythology)
• 1 Intermarriage
• 1 Jealousy
• 1 Ring des Nibelungen. Götterdämmerung
• 1 Ring des Nibelungen. Rheingold
• 1 Ring des Nibelungen. Siegfried
• 1 Ring des Nibelungen. Walküre

• 22 Levine, James, 1943-2021
• 22 Metropolitan Opera (New York, N.Y.)
• 13 Deutsche Grammophon (Firm)
• 8 Wagner, Richard, 1813-1883
• 7 Metropolitan Opera (New York, N.Y.). Orchestra
• 7 Metropolitan Opera Television (Firm)
• 6 Morris, James, 1947-
• 6 Schenk, Otto
• 5 Behrens, Hildegard
• 5 Wechsler, Gil
• 4 Channel Four (Great Britain)
• 4 Domingo, Plácido, 1941-
• 4 Ludwig, Christa
• 4 Norman, Jessye
• 4 SEPT (Television station : France)
• 4 Universal Music (Firm)
• 4 Verdi, Giuseppe, 1813-1901
• 4 Österreichischer Rundfunk
• 3 Boito, Arrigo, 1842-1918
• 3 D'Alessio, Clemente
• 3 Heppner, Ben
• 3 Hofmannsthal, Hugo von, 1874-1929
• 3 Jerusalem, Siegfried
• 3 Moll, Kurt, 1938-2017

• 14 German
• 5 Italian
• 2 French
• 1 English

• 21 Operas
• 8 Opera films
• 6 Nonfiction television programs
• 5 Televised performances
• 4 Television adaptations
• 3 Drama
• 1 Musical settings

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