• 1 Journals, Magazines, Newspapers
• 1 Music Scores

• 1 Beethoven, Ludwig van, 1770-1827
• 1 Music

• 2 Brandenburg, Sieghard
• 2 Herttrich, Ernst, 1942-
• 1 Appel, Bernhard R.
• 1 Beethoven, Ludwig van, 1770-1827
• 1 Beethoven-Haus (Bonn, Germany)
• 1 Gertsch, Norbert
• 1 Hell, Helmut
• 1 Herzog, Johannes
• 1 Kross, Siegfried
• 1 Kurth, Sabine
• 1 Linde, Bernard van der
• 1 Lühning, Helga
• 1 McGrann, Jeremiah W. (Jeremiah Walker), 1952-
• 1 Mies, Paul, 1889-1976
• 1 Mühlenweg, Anja
• 1 Platen, Emil
• 1 Raab, Armin
• 1 Schmidt, Hans, 1930 September 1-2019
• 1 Schmidt-Görg, Joseph, 1897-1981
• 1 Staehelin, Martin
• 1 Voss, Egon
• 1 Weber-Bockholdt, Petra

• 2 German

• 1 Bibliography
• 1 Periodicals

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