• 1,322 Sound Recordings
• 34 Books
• 18 Music Scores
• 6 Videos, Slides, Films

• 6 DVDs

• 481 Operas
• 113 Madrigals, Italian
• 79 Music
• 60 Songs (High voice) with piano
• 57 Oratorios
• 50 Solo cantatas, Secular (High voice)
• 47 Songs (High voice) with orchestra
• 46 Songs (High voice) with instrumental ensemble
• 36 Songs (Medium voice) with piano
• 33 Cantatas, Secular
• 33 Orchestral music
• 33 Vocal music
• 32 Instrumental ensembles
• 32 Motets
• 32 Part songs, Italian
• 28 Folk music
• 28 Instrumental music
• 25 Ballets
• 25 Cantatas, Sacred
• 25 Popular music
• 22 Piano music
• 22 Songs, Italian
• 20 Sacred vocal music
• 20 Songs (High voice) with continuo
• 18 Choruses, Secular (Mixed voices), Unaccompanied

• 127 Mozart, Wolfgang Amadeus, 1756-1791
• 120 Verdi, Giuseppe, 1813-1901
• 103 Handel, George Frideric, 1685-1759
• 89 Rossini, Gioacchino, 1792-1868
• 78 Monteverdi, Claudio, 1567-1643
• 76 Donizetti, Gaetano, 1797-1848
• 70 Puccini, Giacomo, 1858-1924
• 61 Kin Lop Tse Collection
• 46 Vivaldi, Antonio, 1678-1741
• 44 Bellini, Vincenzo, 1801-1835
• 37 Curtiss Blake Collection
• 33 James McKinty Collection
• 33 Metastasio, Pietro, 1698-1782
• 32 Gounod, Charles, 1818-1893
• 32 Schubert, Franz, 1797-1828
• 31 Haydn, Joseph, 1732-1809
• 30 Massenet, Jules, 1842-1912
• 29 Gluck, Christoph Willibald, Ritter von, 1714-1787
• 29 Mascagni, Pietro, 1863-1945
• 29 Scarlatti, Alessandro, 1660-1725
• 29 Wagner, Richard, 1813-1883
• 26 Boito, Arrigo, 1842-1918
• 25 Bizet, Georges, 1838-1875
• 25 Wisconsin Music Archives
• 24 Beethoven, Ludwig van, 1770-1827

• 248 English
• 225 German
• 211 French
• 195 Latin
• 65 Spanish
• 64 Multiple languages
• 29 Russian
• 13 No linguistic content
• 12 French, Old (ca. 842-1300)
• 12 Hebrew
• 11 Undetermined
• 10 French, Middle (ca. 1300-1600)
• 8 Czech
• 7 Dutch
• 7 Swedish
• 7 Yiddish
• 6 Polish
• 6 Portuguese
• 5 Greek, Modern (1453-)
• 3 Arabic
• 3 Danish
• 3 Hungarian
• 3 Norwegian
• 3 Occitan (post-1500)

• 93 Italy
• 8 France
• 6 Europe
• 6 Naples
• 6 Spain
• 5 Florence
• 5 Germany
• 4 United States
• 4 Venice
• 3 Argentina
• 3 Austria
• 3 Calabria
• 3 Sicily
• 2 Chieti (Province)
• 2 England
• 2 Russia
• 2 Salentina Peninsula
• 2 South Africa
• 2 Valle d'Aosta
• 2 Wisconsin
• 1 Africa
• 1 Arab countries
• 1 Basilicata
• 1 Battaglia Terme (Italy)
• 1 Beijing

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