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1Published: Bonn | Dietz | 1980-Book
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2
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3Published: Berlin [u.a.] | Dietz | 1990Book
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4
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5Published: Bonn | Friedrich-Ebert-Stiftung | 2002Book
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6Published: Bonn | Friedrich-Ebert-Stiftung | 2001Book
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7Published: Bonn | Historisches Forschungszentrum | 1999eBook
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8
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9Published: Bonn | Friedrich-Ebert-Stiftung | 1993Book
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10