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Encyclopedia of Austria:
Staatsoper |
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Encyclopedia of Austria:
Wiener Philharmoniker |
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Encyclopedia of Austria:
Adam, Theo |
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Encyclopedia of Austria:
Böhm, Karlheinz |
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Encyclopedia of Austria:
Lipp, Wilma |
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Encyclopedia of Austria:
Mautner Markhof, Manfred |
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Encyclopedia of Austria:
Schuh, Oscar Fritz |
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Stamp Album:
100. Geburtstag von Karl Böhm |