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Encyclopedia of Austria:
Rühm, Gerhard |
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Encyclopedia of Austria:
Zwölftontechnik |
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Encyclopedia of Austria:
Fheodoroff, Nikolaus |
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Encyclopedia of Austria:
Klangreihenmusik |
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Encyclopedia of Austria:
Niederösterreich |
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Encyclopedia of Austria:
Schönberg, Arnold |
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Encyclopedia of Austria:
Steinbauer, Othmar |
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History of Music:
Joseph Matthias Hauer: The Black Spider |