• 16 Music Library (Mills)

• 13 Sound Recordings
• 5 Videos, Slides, Films
• 2 Music Scores

• 5 Vinyl Records
• 4 Compact Discs
• 4 DVDs

• 8 Operas
• 1 Choruses, Secular (Men's voices, 4 parts) with piano
• 1 Piano music (4 hands)

• 8 Bouilly, J. N. (Jean Nicolas), 1763-1842
• 8 Treitschke, Georg Friedrich, 1776-1842
• 4 Frick, Gottlob, 1906-1994
• 3 Adam, Theo
• 3 Konzertvereinigung Wiener Staatsopernchor
• 3 Polgár, László, 1947-2010
• 3 Vickers, Jon
• 2 Arnold-Schönberg-Chor
• 2 Berry, Walter
• 2 Flimm, Jürgen, 1941-2023
• 2 Haitink, Bernard, 1929-2021
• 2 Harnoncourt, Nikolaus
• 2 Kin Lop Tse Collection
• 2 Klemperer, Otto, 1885-1973
• 2 Ludwig, Christa
• 2 Metropolitan Opera (New York, N.Y.)
• 2 Philharmonia Chorus (London, England)
• 2 Philharmonia Orchestra (London, England)
• 2 Seiffert, Peter
• 2 Sotin, Hans
• 2 Staatskapelle Dresden
• 2 Trost, Rainer
• 2 Wiener Philharmoniker

• 20 German
• 1 English

• 3 Opera films
• 2 Scores
• 1 Chamber music
• 1 Excerpts
• 1 Librettos
• 1 Piano scores
• 1 Piano scores (4 hands)
• 1 Symphonies

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