• 1 Music Library (Mills)

• 1 Sound Recordings

• 1 Operas

• 1 Berry, Walter
• 1 Frick, Gottlob, 1906-1994
• 1 Gedda, Nicolai
• 1 Janowitz, Gundula
• 1 Klemperer, Otto, 1885-1973
• 1 Mozart, Wolfgang Amadeus, 1756-1791
• 1 Popp, Lucia
• 1 Pütz, Ruth-Margret, 1931-2019

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