Music 824 Manuscripts 821 Facsimiles 820 Scores 317 Operas 45 Symphonies 40 Scores and parts 28 more ... String quartets 28 Orchestral music 25 Excerpts 22 Songs (High voice) with piano 19 Concertos (Piano) 18 Cantatas, Sacred 16 Masses 15 Manuscripts, Latin 14 Vocal scores with piano 14 Harpsichord music 12 Songs (Medium voice) with piano 12 History and criticism 11 Oratorios 11 Concertos (Violin) 10 Gregorian chants 9 Songs with piano 9 Antiphonaries 8 Keyboard instrument music 8 Manuscripts, French 8 Organ music 8 Part songs, Sacred 8 Violin and piano music 8 Librettos 7 less ...