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Riemens, Leo
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Consultant editors David M. Cummings; Dennis K. McIntire
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Sadie, Stanley
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Kutsch, Karl J.
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Performer Index : Vocalist
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Overtones, volume XI, number 1, October 1, 1974
Rosner, Helmut
Bulling, Burchard
Frank, Paul
Noetzel, Florian
Kurzgefasstes Tonkunstler Lexikon
Fortfuhrt von Burchard Bulling, Florian Noetzel, Helmut Rosner
Wilhelmshaven: Heinrichshofen, 1974
       Note: Zweiter Teil: Erganzungen und Erweiterungen seit 1937
Les artistes du chant
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Wolff, Stephane
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Les oeuvres, les interpretes ...
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