• 3 Music Library (Mills)

• 8 Sound Recordings

• 3 Vinyl Records

• 4 Requiems
• 2 Ave Maria (Music)
• 2 Operas
• 2 Stabat Mater dolorosa (Music)
• 2 Te Deum laudamus (Music)
• 1 Choruses, Sacred (Mixed voices) with orchestra
• 1 Choruses, Sacred (Mixed voices, 4 parts), Unaccompanied
• 1 Mary, Blessed Virgin, Saint
• 1 Songs

• 8 Ludwig, Christa
• 8 Philharmonia Chorus (London, England)
• 8 Philharmonia Orchestra (London, England)
• 7 Gedda, Nicolai
• 7 Ghiaurov, Nicolai, 1929-2004
• 7 Verdi, Giuseppe, 1813-1901
• 2 Klemperer, Otto, 1885-1973
• 2 Mozart, Wolfgang Amadeus, 1756-1791
• 2 Wächter, Eberhard
• 1 Allen, Thomas, 1944-
• 1 Alva, Luigi
• 1 Bach, Johann Sebastian, 1685-1750
• 1 Baker, Janet
• 1 Baker, Janet, 1933-
• 1 Bellini, Vincenzo, 1801-1835
• 1 Berger, Erna, 1900-1990
• 1 Berry, Walter
• 1 Bizet, Georges, 1838-1875
• 1 Brahms, Johannes, 1833-1897
• 1 Callas, Maria, 1923-1977
• 1 Cappuccilli, Piero
• 1 Crass, Franz
• 1 Da Ponte, Lorenzo, 1749-1838

• 6 Latin
• 3 Italian
• 1 No linguistic content

• 3 Sound recordings
• 2 Requiems
• 1 Excerpts
• 1 Songs and music

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