• 7 Music Library (Mills)

• 6 Books
• 2 Sound Recordings

• 6 Beethoven, Ludwig van, 1770-1827
• 6 Composers
• 3 Correspondence
• 1 B. Schott's Söhne (Mainz, Rhineland-Palatinate, Germany)
• 1 Diaries
• 1 Live sound recordings
• 1 Songs with piano
• 1 Songs, German
• 1 Symphonies

• 2 Brandenburg, Sieghard
• 2 Solomon, Maynard
• 1 Angeles, Victoria de los
• 1 B. Schott's Söhne (Mainz, Rhineland-Palatinate, Germany)
• 1 Beethoven-Haus (Bonn, Germany)
• 1 Brosche, Günter
• 1 Bumbry, Grace, 1937-
• 1 Dermota, Anton
• 1 Fischer-Dieskau, Dietrich, 1925-2012
• 1 Furtwängler, Wilhelm, 1886-1954
• 1 Gedda, Nicolai
• 1 Greindl, Josef
• 1 Haydn, Joseph, 1732-1809
• 1 Herre, Grita
• 1 Hotter, Hans
• 1 Konzertvereinigung Wiener Staatsopernchor
• 1 Köhler, Karl-Heinz, 1928-1997
• 1 Ludwig, Christa
• 1 Mozart, Wolfgang Amadeus, 1756-1791
• 1 Prey, Hermann, 1929-1998
• 1 Rothenberger, Anneliese
• 1 Salzburger Domchor
• 1 Schubert, Franz, 1797-1828
• 1 Schwarzkopf, Elisabeth

• 2 English
• 1 Unknown

• 1 Germany
• 1 Salzburg

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