• 51 Music Library (Mills)
• 2 Memorial Library

• 88 Sound Recordings
• 23 Music Scores
• 20 Books
• 14 Videos, Slides, Films
• 3 Mixed Materials

• 20 Compact Discs
• 9 Vinyl Records
• 5 DVDs
• 1 Cassette Tapes

• 124 Operas
• 20 Songs (High voice) with orchestra
• 20 Songs (High voice) with piano
• 9 Oratorios
• 7 Musicals
• 6 Orchestral music
• 5 Callas, Maria, 1923-1977
• 4 Balanchine, George
• 4 Ballet
• 4 Kent, Allegra
• 4 Pas de deux
• 4 Songs (High voice) with instrumental ensemble
• 4 Songs (Medium voice) with orchestra
• 4 Songs (Medium voice) with piano
• 4 Study and teaching
• 4 Vocal music
• 3 Bellini, Vincenzo, 1801-1835
• 3 Choreography
• 3 Promptbooks
• 3 Songs (Low voice) with piano
• 2 Analysis, appreciation
• 2 Bugaku (Choreographic work : Balanchine)
• 2 Concertos (Piano)
• 2 Concertos (Violin)
• 2 History

• 145 Bellini, Vincenzo, 1801-1835
• 63 Verdi, Giuseppe, 1813-1901
• 52 Donizetti, Gaetano, 1797-1848
• 49 Mozart, Wolfgang Amadeus, 1756-1791
• 45 Rossini, Gioacchino, 1792-1868
• 44 Puccini, Giacomo, 1858-1924
• 34 Gounod, Charles, 1818-1893
• 32 Handel, George Frideric, 1685-1759
• 27 Bizet, Georges, 1838-1875
• 25 Massenet, Jules, 1842-1912
• 25 Romani, Felice, 1788-1865
• 22 Meyerbeer, Giacomo, 1791-1864
• 19 Thomas, Ambroise, 1811-1896
• 18 Schubert, Franz, 1797-1828
• 17 Delibes, Léo, 1836-1891
• 17 Gluck, Christoph Willibald, Ritter von, 1714-1787
• 17 Offenbach, Jacques, 1819-1880
• 13 Callas, Maria, 1923-1977
• 13 Ponchielli, Amilcare, 1834-1886
• 13 Strauss, Richard, 1864-1949
• 11 Mascagni, Pietro, 1863-1945
• 11 Sutherland, Joan, 1926-2010
• 11 Tams-Witmark/Wisconsin Collection
• 11 Wagner, Richard, 1813-1883
• 11 Weber, Carl Maria von, 1786-1826

• 118 Italian
• 67 French
• 51 German
• 20 Multiple languages
• 8 Spanish
• 7 Latin
• 5 Czech
• 2 Japanese
• 2 Polish
• 2 Romanian
• 2 Russian
• 1 Maori
• 1 Serbian
• 1 Undetermined

• 2 England
• 2 United States
• 1 Great Britain
• 1 Italy
• 1 Madison
• 1 Russia (Federation)
• 1 Wisconsin

• 85 Excerpts
• 24 Vocal scores with piano
• 18 Librettos
• 9 Excerpts, Arranged
• 9 Operas
• 9 Sound recordings
• 8 Art music
• 7 Songs
• 5 Interviews
• 4 Internet videos
• 4 Scores
• 3 Biography
• 3 Nonfiction films
• 2 Documentary films
• 2 Drama
• 2 Filmed performances
• 2 Songs and music
• 2 Stories, plots, etc
• 1 Arrangements (Music)
• 1 Ballet films
• 1 Biographical films
• 1 Chamber music
• 1 Christmas music
• 1 Compact discs
• 1 Live sound recordings

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